CN213754861U

CN213754861U - Novel portable bluetooth conference audio amplifier

Info

Publication number: CN213754861U
Application number: CN202023270315.8U
Authority: CN
Inventors: 李非; 王坚; 何鹏
Original assignee: Shenzhen Xinsheng Intelligent Electronic Technology Co ltd
Current assignee: Shenzhen Xinsheng Intelligent Electronic Technology Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-07-20
Anticipated expiration: 2030-12-28

Abstract

The utility model provides a novel portable Bluetooth conference sound box, wherein a face shell and a bottom shell are both in a circular structure, the face shell and the bottom shell are fixed through fixing screws, a sound cavity is arranged between the face shell and the bottom shell, a PCB circuit board and a battery are integrated in the sound cavity, a fixing panel is arranged at the middle part of the face shell, the surface of the fixed panel is evenly provided with a plurality of function keys at intervals along the circumferential direction, the middle part of the fixed panel is provided with a key hole, and the inside of the key hole is coaxially and fixedly connected with a key support, the middle part of the key support is provided with a key panel, the surface of the face shell is also fixedly connected with a stainless steel filter plate, the stainless steel filter plate covers the surface of the fixed panel, a mute key is arranged in the middle of the stainless steel filter plate and is arranged on the surface of the key panel, the middle part of drain pan is inlayed and is had loudspeaker just loudspeaker with PCB circuit board electric connection. The utility model discloses portable is and connect portably.

Description

Novel portable bluetooth conference audio amplifier

Technical Field

The utility model relates to a bluetooth speaker technical field especially relates to a novel portable bluetooth conference audio amplifier.

Background

The existing sound box products on the market comprise the following parts: a power management unit, an audio processing unit, an external device interface, a structural component, and the like. The problems of the existing products on the market are as follows: the system has single function, requires special accessories for external equipment access and has requirements for the external equipment, and has large volume, complex process of building up and low flexibility.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide a novel portable bluetooth conference audio amplifier to having solved present market audio amplifier system function singleness, the external equipment inserts and needs special parts and have the requirement to the external equipment, and bulky, builds the problem that the process is complicated, and the flexibility ratio is low.

In order to solve the technical problem, the utility model provides a novel portable bluetooth conference sound box, which comprises a face-piece, a bottom shell, a PCB circuit board and a loudspeaker, wherein the face-piece and the bottom shell are both in a circular structure, the face-piece and the bottom shell are fixed by fixing screws, a sound cavity is arranged between the face-piece and the bottom shell, the sound cavity is internally integrated with the PCB circuit board and a battery, the surface of the PCB circuit board is provided with a plurality of microphones at even intervals along the circumferential direction, the surface of the face-piece is provided with a plurality of through holes along the circumferential direction, the microphones protrude out of the through holes, the surface of the PCB circuit board is also integrated with a bluetooth module, the middle part of the face-piece is provided with a fixed panel, one side surface of the fixed panel is provided with a plurality of functional keys at even intervals along the circumferential direction, the middle part of the fixed panel is provided with key holes, and the key supports are coaxially, the middle part of button holder is equipped with key panel, the surperficial stainless steel filter plate of fixedly connected with still of face-piece, stainless steel filter plate lid is in fixed panel's surface just the middle part of stainless steel filter plate is equipped with mute key and establishes key panel's surface, the middle part of drain pan is inlayed and is had loudspeaker just loudspeaker with PCB circuit board electric connection.

Preferably, the surface of the bottom shell is further provided with a circular foot pad.

Preferably, a flexible circuit board is arranged on the surface of the key panel and electrically connected with the PCB.

Preferably, a weight is arranged inside the sound cavity and embedded on the surface of the bottom shell.

Preferably, still be equipped with the sealing washer between face-piece and the drain pan just the surface of face-piece is opened there is the USB hole, the USB hole with PCB circuit board electric connection, the inside stopper in USB hole has the USB hole stopper.

Preferably, the middle part of drain pan is opened there is a fixed orifices just loudspeaker's end of raising one's voice is established in the fixed orifices, the edge of loudspeaker with still be equipped with the sound guide pipe between the drain pan.

Preferably, the microphones are arranged on the surface of the PCB in an array structure, the function keys are also arranged on the surface of the fixing panel in an array structure, and the microphones include at least two microphones.

Preferably, a controller assembly is integrated on the PCB, the output end of the microphone is connected to the input end of the controller assembly through an AD (analog-to-digital) conversion module and a DSP (digital signal processor) echo cancellation algorithm module, and the output end of the controller assembly is connected to the loudspeaker.

Compared with the prior art, the utility model provides a pair of novel portable bluetooth conference audio amplifier has following beneficial effect: the utility model is provided with a face shell and a bottom shell which are circular structures and are convenient to hold and carry, and can be carried to any place, a sound cavity is arranged between the face shell and the bottom shell, a PCB circuit board and a battery are arranged inside the sound cavity, and a built-in battery is arranged inside the sound cavity, thereby providing sufficient electric power endurance for mobile office users, a controller assembly and a Bluetooth module are integrated on the PCB circuit board, the Bluetooth module is responsible for completing the signal access of a teleconference, the connection requirements of the mobile conference and the remote conference in different places are met, the access complexity of the traditional teleconference is simplified, the middle part of the face shell is provided with a fixed panel, the edge of the fixed panel is provided with a plurality of function keys, as the function keys are arranged on the edge of a sound box, the keys can be operated by one hand without shaking, the middle part of the fixed panel is provided with a key panel through a key support, so as to realize different key functions, be equipped with the mute key on the key panel, can a key silence, can operate according to meeting content, the middle part of drain pan is equipped with loudspeaker, play meeting content in real time, be equipped with the leading note pipe between loudspeaker and the drain pan, play the effect of optimizing tone quality, cooperation customization high-fidelity speaker for the high and medium frequency homoenergetic of sound obtains good expressive force, and the week side of audio amplifier is equipped with a plurality of microphones, has satisfied the demand of collecting sound to each position of meeting scene, angle. The speech of the participants at any position and any angle can be clearly recorded and then broadcasted through a loudspeaker.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a novel portable bluetooth conference sound box provided by the present invention;

FIG. 2 is a schematic structural view of the face shell shown in FIG. 1;

FIG. 3 is a schematic structural diagram of the key panel shown in FIG. 1;

fig. 4 is a rear view of the overall structure of fig. 1.

Reference numbers in the figures: 1. a face shell; 2. a bottom case; 3. fixing the panel; 4. a PCB circuit board; 5. a battery; 6. function keys; 7. a key holder; 8. a key panel; 9. a stainless steel filter plate; 10. a mute key; 11. a horn; 12. a circular foot pad; 13. a flexible circuit board; 14. a weighting block; 15. a seal ring; 16. a USB hole; 17. a microphone; 18. a sound guide tube.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Referring to fig. 1, 2, 3 and 4 in combination, a novel portable bluetooth conference speaker includes a face casing 1, a bottom casing 2, a PCB circuit board 4 and a speaker 11, wherein the face casing 1 and the bottom casing 2 are both circular structures, the face casing 1 and the bottom casing 2 are fixed by fixing screws, a sound cavity is disposed between the face casing 1 and the bottom casing 2, the PCB circuit board 4 and a battery 5 are integrated in the sound cavity, a plurality of microphones 17 are uniformly spaced along the circumferential direction of the surface of the PCB circuit board 4, a plurality of through holes are disposed along the circumferential direction of the surface of the face casing 1, the microphones 17 protrude from the through holes, a bluetooth module is further integrated on the surface of the PCB circuit board 4, a fixing panel 3 is disposed in the middle of the face casing 1, a plurality of function keys 6 are uniformly spaced along the circumferential direction of the surface of one side of the fixing panel 3, the middle part of fixed panel 3 is equipped with the key hole just the coaxial fixedly connected with key support 7 in inside of key hole, the middle part of key support 7 is equipped with keypad 8, fixedly connected with stainless steel filter plate 9 is gone back on the surface of face-piece 1, stainless steel filter plate 9 covers fixed panel 3's surface just the middle part of stainless steel filter plate 9 is equipped with mute key 10 and establishes keypad 8's surface, the middle part of drain pan 2 is inlayed and is had loudspeaker 11 just loudspeaker 11 with 4 electric connection of PCB circuit board.

In this embodiment, a circular foot pad 12 is further disposed on the surface of the bottom case 2. The loudspeaker box is prevented from falling off the placement place due to slipping.

In this embodiment, a flexible circuit board 13 is disposed on the surface of the key panel 8, and the flexible circuit board 13 is electrically connected to the PCB circuit board 4. The key panel 8 and the PCB 4 can be in data connection so that the speaker can be operated by pressing keys.

In this embodiment, a weight 14 is disposed inside the sound cavity, and the weight 14 is embedded on the surface of the bottom case 2.

In this embodiment, still be equipped with sealing washer 15 between face-piece 1 and the drain pan 2 and open on the surface of face-piece 1 has USB hole 16, USB hole 16 with PCB circuit board 4 electric connection, USB hole 16's inside stopper has the USB hole stopper, and USB hole 16 inserts the data line after, can be for battery 5 power supply, also can be for carrying out data transmission.

In this embodiment, a fixing hole is opened in the middle of the bottom case 2, the speaker end of the speaker 11 is disposed in the fixing hole, and a sound guiding tube 18 is further disposed between the edge of the speaker 11 and the bottom case 2. The sound guide tube 18 plays a role in optimizing the sound quality, and is matched with the loudspeaker 11, so that the high, medium and low frequencies of sound can obtain good expressive force.

In this embodiment, the microphones 17 are disposed on the surface of the PCB 4 in an array structure, the function keys 6 are also disposed on the surface of the fixing panel 3 in an array structure, and the number of the microphones 17 is at least two. The microphone 17 surrounds the surface of the sound box, and meets the sound collection requirements of all directions and angles of a conference site.

In this embodiment, the integration has the controller assembly on PCB circuit board 4, the output of microphone is connected to through AD analog-to-digital conversion module and DSP echo cancellation algorithm module the input of controller assembly, the output of controller assembly is connected to loudspeaker 11, bluetooth module's model is QCC5126, and the model of controller assembly is ATS89, and microphone 17 will gather the signal and send to DSP echo cancellation algorithm module via the AD module and carry out signal processing and realize the echo and eliminate for the sound that the participant of long-range access meeting heard is cleaner, and is transparent, and bluetooth module is responsible for accomplishing the signal access of long-range meeting, satisfies the connection demand of mobile conference, allopatric long-range meeting, has simplified the access complexity of traditional long-range meeting.

The working principle is as follows: the utility model is provided with a face-piece 1 and a bottom shell 2, the face-piece 1 and the bottom shell 2 are circular structures, which are convenient to hold and carry, and can be carried to any place, a sound cavity is arranged between the face-piece 1 and the bottom shell 2, a PCB circuit board 4 and a battery 5 are arranged inside the sound cavity, a built-in battery is arranged, which provides sufficient electric power endurance for mobile office users, a controller assembly and a Bluetooth module are integrated on the PCB circuit board 4, the Bluetooth module is responsible for completing the signal access of a teleconference, which meets the connection requirements of the mobile conference and the remote conference in different places, the access complexity of the traditional teleconference is simplified, the middle part of the face-piece 1 is provided with a fixed panel 3, the edge of the fixed panel 3 is provided with a plurality of function keys 6, as the function keys 6 are arranged at the edge of a sound box, thus the keys can be operated by one hand without shaking, the middle part of the fixed panel 3 is provided with a key panel 8 through a key support 7, so as to realize different button functions, be equipped with mute key 10 on key panel 8, can a key silence, can operate according to meeting content, the middle part of drain pan 2 is equipped with loudspeaker 11, play meeting content in real time, be equipped with leading note pipe 18 between loudspeaker 11 and the drain pan 2, play the effect of optimizing tone quality, cooperation loudspeaker, make the high and medium low frequency homoenergetic of sound obtain good expressive force, the week side of audio amplifier is equipped with a plurality of microphones 17, the collection demand to each position of meeting scene, the angle has been satisfied. The speech of the participants at any position and any angle can be clearly recorded.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The utility model provides a novel portable bluetooth conference audio amplifier which characterized in that: the multifunctional microphone comprises a face shell, a bottom shell, a PCB circuit board and a loudspeaker, wherein the face shell and the bottom shell are both in circular structures, the face shell and the bottom shell are fixed through fixing screws, a sound cavity is arranged between the face shell and the bottom shell, the PCB circuit board and a battery are integrated in the sound cavity, a plurality of microphones are arranged on the surface of the PCB circuit board at uniform intervals along the circumferential direction of the face shell, a plurality of through holes are arranged on the surface of the face shell along the circumferential direction of the face shell, the microphones protrude out of the through holes, a Bluetooth module is further integrated on the surface of the PCB circuit board, a fixing panel is arranged in the middle of the face shell, a plurality of functional keys are arranged on one side surface of the fixing panel at uniform intervals along the circumferential direction of the fixing panel, a key hole is arranged in the middle of the fixing panel, a key support is coaxially and fixedly connected with the inside of the key hole, and a key panel is arranged in the middle of the key support, the surface of face-piece is fixedly connected with stainless steel filter plate still, stainless steel filter plate lid is in fixed panel's surface just the middle part of stainless steel filter plate is equipped with the mute key and the mute key is established the surface of button panel, the middle part of drain pan is inlayed and is had loudspeaker just loudspeaker with PCB circuit board electric connection.

2. The novel portable Bluetooth conference speaker as claimed in claim 1, wherein: the surface of the bottom shell is also provided with a circular foot pad.

3. The novel portable Bluetooth conference speaker as claimed in claim 1, wherein: the surface of the key panel is provided with a flexible circuit board, and the flexible circuit board is electrically connected with the PCB.

4. The novel portable Bluetooth conference speaker as claimed in claim 1, wherein: and a weighting block is arranged in the sound cavity and is embedded on the surface of the bottom shell.

5. The novel portable Bluetooth conference speaker as claimed in claim 1, wherein: still be equipped with the sealing washer just between face-piece and the drain pan the surface of face-piece is opened there is the USB hole, the USB hole with PCB circuit board electric connection, the inside stopper in USB hole has the USB hole stopper.

6. The novel portable Bluetooth conference speaker as claimed in claim 1, wherein: the middle part of drain pan is opened there is a fixed orifices just loudspeaker's end of raising one's voice is established in the fixed orifices, loudspeaker's edge with still be equipped with the leading note pipe between the drain pan.

7. The novel portable Bluetooth conference speaker as claimed in claim 1, wherein: the microphone is arranged on the surface of the PCB in an array structure, the function keys are also arranged on the surface of the fixed panel in an array structure, and the number of the microphones is at least two.

8. The novel portable Bluetooth conference speaker as claimed in claim 1, wherein: the controller assembly is integrated on the PCB, the output end of the microphone is connected to the input end of the controller assembly through the AD analog-to-digital conversion module and the DSP echo cancellation algorithm module, and the output end of the controller assembly is connected to the loudspeaker.