CN213073006U - 360 conversation audio amplifier of making an uproar falls in portable meeting bluetooth of degree - Google Patents
360 conversation audio amplifier of making an uproar falls in portable meeting bluetooth of degree Download PDFInfo
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- CN213073006U CN213073006U CN202022374897.8U CN202022374897U CN213073006U CN 213073006 U CN213073006 U CN 213073006U CN 202022374897 U CN202022374897 U CN 202022374897U CN 213073006 U CN213073006 U CN 213073006U
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Abstract
The utility model discloses a 360-degree portable conference Bluetooth noise reduction conversation sound box, which comprises a sound box body, wherein the sound box body comprises a shell, a loudspeaker, a microphone, a main circuit board and a battery, and the sound box body is provided with a reverse charging mechanism which is connected with the battery to realize the external output charging; the microphones comprise three microphones, the three microphones are arranged in a regular triangle and are close to one end of the whole sound box, and the loudspeaker is close to the other end of the whole sound box. The utility model adopts three silicon microphones distributed according to a regular triangle structure, and a drop is designed on the horizontal plane, so that the peripheral audio signals can be better collected; the layout of the microphone and the loudspeaker is optimized, so that the reception quality of the microphone is not influenced when the loudspeaker plays audio; then, the DSP digital module processes and filters noise, so that the quality of audio data is ensured, and a foundation is laid for realizing good call quality; the function of charging to the outside is added, and besides meeting quality, the system can also be used for continuation of journey of electronic equipment such as mobile phones.
Description
Technical Field
The utility model relates to an audio amplifier product technical field, concretely relates to wireless bluetooth conference conversation audio amplifier.
Background
Along with the development of the society, people have certain requirements for 2-3 people participating in conference discussion or conversation among family members together due to special scenes such as life and work, the 360-degree portable conference-trial conversation noise-reduction Bluetooth loudspeaker box just accords with the characteristics thereof, particularly has strong audio signal collecting and processing capacity, has the capacity of effectively filtering noise, and has the advantages that the use requirements of the loudspeaker box in diversified application scenes such as indoors and outdoors are firmly met, and particularly both sides use Teams demonstration audio products, so that the quality of collected audio in conversation is ensured, and the communication efficiency is increased. The traditional communication sound box product also has a communication function, but only one microphone collects sound signals, and the traditional communication sound box product does not have strong DSP audio digital processing capacity, so that inaccurate sound reception is caused, more noise affects the communication quality, and obvious echo interference exists. Therefore, a portable sound box device capable of automatically shielding echoes and reducing noise is needed, but the current devices of the type have to be improved in the aspects of convenience in use, noise reduction, echo interference prevention and the like.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a 360 degrees portable meeting bluetooth noise reduction conversation audio amplifier that structural design is more reasonable, the use is more convenient, prevent that the echo disturbs and the noise cancelling effect is better.
In order to solve the technical problem, the utility model adopts the following technical scheme: a360-degree portable Bluetooth noise reduction conversation sound box for a conference comprises a sound box body, wherein the sound box body comprises a shell, a loudspeaker, a microphone, a main circuit board and a battery, the battery is connected with the main circuit board, and the main circuit board is connected with a charging data wire; the loudspeaker is connected with the main circuit board, the main circuit board is provided with a Bluetooth module, and the microphone is connected with a microphone circuit board; the casing is including casing and last casing down, and both combinations are with loudspeaker and main circuit board fixed assembly, and the microphone then assembles in last casing to cover its characterized in that with microphone and last casing through the screen cloth structure: the loudspeaker box body also comprises a reverse charging mechanism which is arranged in the shell and connected with the battery to realize the external output charging; the three microphones are arranged in a regular triangle and are close to one end of the whole sound box, and the loudspeaker is close to the other end of the whole sound box; three independent microphone cavities which are arranged in a regular triangle shape are arranged at the position, close to one side, of the upper shell, one microphone cavity corresponds to one microphone, and the microphone is fixed on the bottom surface of the microphone PCB and embedded in the microphone cavities; the microphone PCB and the upper shell are pressed and sealed through a double-sided back adhesive sealing gasket to seal the microphone cavity, so that the independence of signals collected by each microphone is ensured, and the microphone PCB and the upper shell are assembled and fixed; a double-sided adhesive-backed sealing pad is also arranged between the upper shell and the mesh fabric structure in a cushioning manner so as to absorb the vibration generated during the operation of the loudspeaker.
Furthermore, the microphone PCB comprises a first microphone PCB and a second microphone PCB, which are fixed to the upper housing by screws according to a T-shaped structure; the first microphone PCB is provided with two microphones, the second microphone PCB is provided with one microphone, the distance between the three microphones is 24mm, the depth of the microphone cavity is 2.0-2.5 mm, the microphones are enabled to contact with an external sound source as far as possible, original sound is collected, and meanwhile, echoes and other noises generated by the front cavity are avoided being barely received. The position of the microphone on the second microphone PCB is lower than that of the two microphones on the first microphone PCB, and a 21-degree included angle is formed on the vertical plane, so that the signals collected by the microphones can be better ensured to be balanced and have no noise, and the difference caused by different directions can be confirmed; the distance from the two microphones on the first microphone PCB to the loudspeaker is less than the distance from the microphones on the second microphone PCB to the loudspeaker, and the distance from the two microphones on the first microphone PCB to the loudspeaker is 97.5 mm.
Further, two passive radiators are arranged in the sound box, the two passive radiators are located in the area between the microphone and the loudspeaker and are respectively installed on the upper shell and the lower shell, and the two passive radiators are installed in an up-and-down symmetrical mode to improve the acoustic effect.
Furthermore, the reverse charging mechanism comprises a charging seat with a USB interface, the charging seat is arranged at one end of the sound box with the microphone, the USB interface of the charging seat faces the side face of the end, a USB cover is arranged on a lower shell at the end, and the charging seat which is not in an external charging state is covered by the USB cover to prevent water from entering the dust.
Furthermore, the back of the loudspeaker is provided with sound-absorbing sponge with the size of 35 x 8mm, and the loudspeaker is cushioned by the sound-absorbing sponge to form a structure for eliminating the resonance noise of the cavity of the sound box.
Furthermore, a DSP digital processing module is arranged on the main circuit board to form a filtering processing structure for the recorded noise, so that the quality of audio data is ensured, and the conversation effect is further improved.
Furthermore, the mesh structure comprises a mesh cover and mesh cloth, the mesh cover is connected with the upper shell, and the mesh cloth is fixed on the surface of the mesh cover; a double-sided gum sealing gasket is also arranged between the upper shell and the net cover; the net cover is made of plastic.
Furthermore, a large bottom plate is arranged on the bottom surface of the lower shell, and four foot pads are respectively arranged on the bottom surfaces of the two bottom plates to support the whole sound box body; the bottom surface of the lower shell is provided with a containing groove for containing and fixing the charging data line, so that the scattering of the data line is avoided.
Furthermore, a hanging rope is fixed at one end of the sound box close to the loudspeaker; the overall dimension of the whole sound box is 182 x 94 x 33mm, and the overall weight is 300 x 400g, so that the whole sound box is small and light and is convenient to carry.
Further, a touch control panel is arranged on one side of the upper shell and connected with the main circuit board.
The utility model adopts three silicon microphones distributed according to a regular triangle structure, and a drop is designed on the horizontal plane, so that the peripheral audio signals can be better collected; the layout of the microphone and the loudspeaker is optimized, so that the reception quality of the microphone is not influenced when the loudspeaker plays audio; then, the DSP digital module processes and filters noise, so that the quality of audio data is ensured, and a foundation is laid for realizing good call quality; the external charging function is added, and besides the conference quality, the continuous voyage of electronic equipment such as mobile phones can be guaranteed in outdoor scenes and the like.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an internal structure view of the sound box of the present invention;
FIG. 3 is a side view of the sound box of the present invention;
fig. 4 is a sectional structure view of the sound box of the present invention.
In the figure, 1 is the screen cover, 2 is two-sided gum sealing pad, 3 is the casing, 4 is loudspeaker, 5 is touch control board, 6 is the battery, 7 is first microphone PCB board, 8 is the screen cloth, 9 is second microphone PCB board, 10 is the microphone, 11 is the USB lid, 12 is the charging seat, 13 is for hanging the rope, 14 is the bottom plate, 15 is passive radiator, 16 is main circuit board, 17 is the lower casing, 18 is for inhaling the sound sponge, 19 is the callus on the sole, 20 is the holding chamber, 21 is the data line that charges.
Detailed Description
In this embodiment, referring to fig. 1 to 4, the 360-degree portable bluetooth noise reduction conference sound box comprises a sound box body, wherein the sound box body comprises a shell, a loudspeaker 4, a microphone 10, a main circuit board 16 and a battery 6, the battery 6 is connected with the main circuit board 16, and the main circuit board 16 is connected with a charging data line 21; the loudspeaker 4 is connected with a main circuit board 16, the main circuit board 16 is provided with a Bluetooth module, and the microphone 10 is connected with a microphone circuit board; the shell comprises a lower shell 17 and an upper shell 3, the loudspeaker 4 and the main circuit board 16 are fixedly assembled by combining the lower shell and the upper shell, the microphone 10 is assembled in the upper shell 3, and the microphone 10 and the upper shell 3 are covered by a mesh structure; the loudspeaker box body also comprises a reverse charging mechanism which is arranged in the shell and is connected with the battery 6 so as to realize the external output charging; the microphones 10 comprise three microphones 10, the three microphones 10 are arranged in a regular triangle and are close to one end of the whole sound box, and the loudspeaker 4 is close to the other end of the whole sound box; three independent microphone cavities 20 which are arranged in a regular triangle shape are arranged at the position, close to one side, of the upper shell 3, one microphone cavity 20 corresponds to one microphone 10, and the microphone 10 is fixed on the bottom surface of a microphone PCB and embedded in the microphone cavities 20; the microphone PCB and the upper shell 3 are pressed and sealed through a double-sided back adhesive sealing gasket to seal the microphone cavity 20, so that the independence of signals collected by each microphone 10 is ensured, and the microphone PCB and the upper shell 3 are assembled and fixed; a double-sided adhesive-backed sealing pad 2 is also arranged between the upper shell 3 and the mesh fabric structure in a cushioning manner so as to absorb the vibration generated when the loudspeaker 4 works.
The microphone PCB comprises a first microphone PCB 7 and a second microphone PCB 9 which are respectively fixed on the upper shell 3 through screws according to a T-shaped structure; the first microphone PCB 7 is provided with two microphones 10, the second microphone PCB 9 is provided with one microphone 10, the distance between the three microphones 10 is 24mm, the depth of the microphone cavity 20 is 2.0-2.5 mm, so that the microphones 10 contact with an external sound source as much as possible to collect original sound, and meanwhile, echoes and other noises generated by the front cavity are prevented from being received reluctantly. The position of the microphone 10 on the second microphone PCB 9 is lower than that of the two microphones 10 on the first microphone PCB 7, and an included angle of 21 degrees is formed on the vertical surface, so that the signals collected by the microphones 10 can be better ensured to be balanced and have no noise, and the difference caused by different directions can be confirmed; the distance from the two microphones 10 on the first microphone PCB 7 to the loudspeaker 4 is smaller than the distance from the microphones 10 of the second microphone PCB 9 to the loudspeaker 4, and the distance from the two microphones 10 of the first microphone PCB 7 to the loudspeaker 4 is 97.5 mm.
Two passive radiators 15 are provided in the sound box, the two passive radiators 15 are located in the region between the microphone 10 and the speaker 4, and are respectively installed on the upper case 3 and the lower case 17, and the two passive radiators 15 are installed in an up-down symmetrical manner to improve the acoustic effect.
The reverse charging mechanism comprises a charging seat 12 with a USB interface, which is arranged at one end of the sound box with the microphone 10, the USB interface of the charging seat 12 faces the side surface of the end, a USB cover 11 is arranged on a lower shell 17 at the end, and the charging seat 12 which is not in an external charging state is covered by the USB cover 11 to prevent water from entering the dust.
The sound-absorbing sponge 18 is arranged on the back of the loudspeaker 4, the size of the sound-absorbing sponge 18 is 35 x 8mm, and the loudspeaker 4 is cushioned by the sound-absorbing sponge 18 to form a structure for eliminating the resonance noise of the cavity of the sound box.
A DSP digital processing module is further disposed on the main circuit board 16 to form a filtering structure for the recorded noise, so as to ensure the quality of the audio data and further improve the communication effect.
The mesh structure comprises a mesh cover 1 and mesh cloth 8, the mesh cover 1 is connected with the upper shell 3, and the mesh cloth 8 is fixed on the surface of the mesh cover 1; a double-sided adhesive-backed sealing gasket 2 is also arranged between the upper shell 3 and the net cover 1; the net cover 1 is made of plastic.
A bottom plate 14 is arranged on the bottom surface of the lower shell 17, and four foot pads 19 are respectively arranged on the bottom surfaces of the two bottom plates 14 to support the whole sound box body; the bottom surface of the lower case 17 is provided with a storage groove for storing and fixing the charging data line 21, thereby preventing the scattering of the data line.
A hanging rope 13 is fixed at one end of the sound box close to the loudspeaker 4; the overall size of the whole sound box is 182 x 94 x 33mm, and the overall weight is 300 x 400g, such as 360g, so that the whole sound box is small and light, and is convenient to carry about.
A touch control panel 5 is provided at one side of the upper case 3, and the touch control panel 5 is connected to the main circuit board 16.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the invention, i.e. the present invention is intended to cover all equivalent variations and modifications within the scope of the present invention.
Claims (10)
1. A360-degree portable Bluetooth noise reduction conversation sound box for a conference comprises a sound box body, wherein the sound box body comprises a shell, a loudspeaker, a microphone, a main circuit board and a battery, the battery is connected with the main circuit board, and the main circuit board is connected with a charging data wire; the loudspeaker is connected with the main circuit board, the main circuit board is provided with a Bluetooth module, and the microphone is connected with a microphone circuit board; the casing is including casing and last casing down, and both combinations are with loudspeaker and main circuit board fixed assembly, and the microphone then assembles in last casing to cover its characterized in that with microphone and last casing through the screen cloth structure: the loudspeaker box body also comprises a reverse charging mechanism which is arranged in the shell and connected with the battery to realize the external output charging; the three microphones are arranged in a regular triangle and are close to one end of the whole sound box, and the loudspeaker is close to the other end of the whole sound box; three independent microphone cavities which are arranged in a regular triangle shape are arranged at the position, close to one side, of the upper shell, one microphone cavity corresponds to one microphone, and the microphone is fixed on the bottom surface of the microphone PCB and embedded in the microphone cavities; the microphone PCB and the upper shell are pressed and sealed through a double-sided back adhesive sealing gasket to seal the microphone cavity, and the microphone PCB and the upper shell are assembled and fixed; a double-sided gum sealing gasket is also arranged between the upper shell and the mesh fabric structure.
2. The 360 degree portable conference bluetooth noise reduction talk speaker of claim 1, wherein: the microphone PCB comprises a first microphone PCB and a second microphone PCB which are fixed on the upper shell through screws according to a T-shaped structure; the microphone structure comprises a first microphone PCB, a second microphone PCB, microphones, microphone cavities and microphone bodies, wherein the first microphone PCB is provided with two microphones, the second microphone PCB is provided with one microphone, the distance between the three microphones is 24mm, the depth of each microphone cavity is 2.0-2.5 mm, the position of each microphone on the second microphone PCB is lower than that of the two microphones on the first microphone PCB, and a 21-degree included angle is formed on a vertical surface; the distance from the two microphones on the first microphone PCB to the loudspeaker is less than the distance from the microphones on the second microphone PCB to the loudspeaker, and the distance from the two microphones on the first microphone PCB to the loudspeaker is 97.5 mm.
3. The 360 degree portable conference bluetooth noise reduction talk speaker of claim 1, wherein: two passive radiators are arranged in the sound box, are positioned in an area between the microphone and the loudspeaker and are respectively arranged on the upper shell and the lower shell, and the two passive radiators are arranged in an up-and-down symmetrical mode.
4. The 360 degree portable conference bluetooth noise reduction talk speaker of claim 1, wherein: the reverse charging mechanism comprises a charging seat with a USB interface, the charging seat is arranged at one end of the sound box with the microphone, the USB interface of the charging seat faces the side face of the side face, a USB cover is arranged on a lower shell at the end, and the charging seat which is not in an external charging state is covered by the USB cover.
5. The 360 degree portable conference bluetooth noise reduction talk speaker of claim 1, wherein: the back of the loudspeaker is provided with sound-absorbing sponge with the size of 35 x 8mm, and the loudspeaker is cushioned by the sound-absorbing sponge to form a structure for eliminating the resonance noise of the cavity of the sound box.
6. The 360 degree portable conference bluetooth noise reduction talk speaker of claim 1, wherein: and a DSP digital processing module is also arranged on the main circuit board to form a filtering processing structure for the recorded noise.
7. The 360 degree portable conference bluetooth noise reduction talk speaker of claim 1, wherein: the mesh structure comprises a mesh cover and mesh cloth, the mesh cover is connected with the upper shell, and the mesh cloth is fixed on the surface of the mesh cover; a double-sided gum sealing gasket is also arranged between the upper shell and the net cover; the net cover is made of plastic.
8. The 360 degree portable conference bluetooth noise reduction talk speaker of claim 1, wherein: the bottom surface of the lower shell is provided with a large bottom plate, and the bottom surface of the bottom plate is provided with 4 foot pads for supporting the whole sound box body; the bottom surface of the lower shell is provided with a containing groove for containing and fixing the charging data line.
9. The 360 degree portable conference bluetooth noise reduction talk speaker of claim 1, wherein: a hanging rope is fixed at one end of the sound box close to the loudspeaker; the overall dimension of the sound box is 182 x 94 x 33mm, and the overall weight is 300-400 g.
10. The 360 degree portable conference bluetooth noise reduction talk speaker of claim 1, wherein: one side of the upper shell is provided with a touch control panel, and the touch control panel is connected with the main circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022374897.8U CN213073006U (en) | 2020-10-22 | 2020-10-22 | 360 conversation audio amplifier of making an uproar falls in portable meeting bluetooth of degree |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022374897.8U CN213073006U (en) | 2020-10-22 | 2020-10-22 | 360 conversation audio amplifier of making an uproar falls in portable meeting bluetooth of degree |
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| Publication Number | Publication Date |
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| CN213073006U true CN213073006U (en) | 2021-04-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022374897.8U Active CN213073006U (en) | 2020-10-22 | 2020-10-22 | 360 conversation audio amplifier of making an uproar falls in portable meeting bluetooth of degree |
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| CN (1) | CN213073006U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116782069A (en) * | 2023-08-23 | 2023-09-19 | 深圳市锐豪科技有限公司 | Portable sound equipment that can make an uproar falls |
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2020
- 2020-10-22 CN CN202022374897.8U patent/CN213073006U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116782069A (en) * | 2023-08-23 | 2023-09-19 | 深圳市锐豪科技有限公司 | Portable sound equipment that can make an uproar falls |
| CN116782069B (en) * | 2023-08-23 | 2023-11-14 | 深圳市锐豪科技有限公司 | Portable sound equipment that can make an uproar falls |
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