Portable Bluetooth sound box with one-to-one and one-to-many talkback functions

Abstract

The utility model relates to the technical field of Bluetooth sound boxes, in particular to a portable Bluetooth sound box with one-to-one and one-to-many talkback functions, a front shell and a rear shell are fixedly connected, an accommodating space is formed between the front shell and the rear shell, a PCBA (Printed Circuit Board Assembly) board is arranged in the accommodating space and comprises a Bluetooth chip and a talkback main control chip, and the Bluetooth chip and the talkback main control chip are connected with each other. The Bluetooth chip is connected with the talkback main control chip, the talkback main control chip is connected with a signal transceiving antenna, the Bluetooth chip is connected with a microphone, the talkback main control chip is connected with an audio power amplifier, the audio power amplifier is connected with a loudspeaker, and the back of the rear shell is provided with a back splint. Compared with the prior art, the portable Bluetooth sound box with the one-to-one and one-to-many talkback functions has the advantages that the additional function of wireless talkback is added, the requirement for talking and listening music of an individual is met, the requirement for talkback communication during collective operation is also met, the application scene is enriched, the applicability is improved, and the portable Bluetooth sound box is worthy of popularization and application. And the use experience of the user is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of Bluetooth speakers, and particularly relates to a portable Bluetooth speaker with one-to-one and one-to-many intercom functions.

Background Art

[0002] The existing Bluetooth speakers usually only have the function of audio playback and cannot be used in some scenarios such as intercom communication, resulting in certain limitations in use and being unfavorable to the user experience.

Content of the Utility Model

[0003] In order to overcome the above problems, the utility model provides a portable Bluetooth speaker with one-to-one and one-to-many intercom functions, which can effectively solve the above problems.

[0004] A technical solution provided by the utility model to solve the above technical problems is: providing a portable Bluetooth speaker with one-to-one and one-to-many intercom functions, including a front shell and a rear shell, the front shell and the rear shell are fixedly connected, and an accommodating space is formed between the front shell and the rear shell; a PCBA board is arranged in the accommodating space, the PCBA board includes a Bluetooth chip and an intercom main control chip, the Bluetooth chip is connected to the intercom main control chip, and the intercom main control chip is connected with a signal transceiver antenna; the Bluetooth chip is connected with a microphone, the intercom main control chip is connected with an audio power amplifier, and the audio power amplifier is connected with a speaker; a back clip is arranged on the back of the rear shell.

[0005] Preferably, the microphone is used to collect sound and transmit data to the Bluetooth chip, the Bluetooth chip and the intercom main control chip are used to process data, the signal transceiver antenna is used to receive and transmit radio frequency signals, and the audio power amplifier is used to amplify the audio signal and then transmit it to the speaker for playback.

[0006] Preferably, the speaker is arranged inside the front shell, and a sound output net is arranged outside the speaker, and the sound output net is fixedly connected with the front shell.

[0007] Preferably, a back clip is arranged on the back of the rear shell, and the back clip is connected to the back of the rear shell through metal spring posts or screws.

[0008] Preferably, a battery is arranged in the accommodating space, and the battery is connected to the PCBA board.

[0009] Preferably, the outside of the front shell is wrapped with a front TPU soft glue, and the connection part between the front shell and the rear shell is wrapped with a rear TPU soft glue.

[0010] Preferably, the front shell is made of plastic or TPU material.

[0011] Preferably, the rear shell is made of hard glue or TPU material.

[0012] Preferably, the microphone element is disposed on the PCBA board, and a microphone sound hole is formed on the front shell, and the position of the microphone sound hole corresponds to the position of the microphone element.

[0013] Preferably, the PCBA board is connected with control buttons, and the control buttons are exposed from the front shell.

[0014] Preferably, the control buttons include a main power button, a pause button, and a volume adjustment button.

[0015] Compared with the prior art, the portable Bluetooth speaker with one-to-one and one-to-many intercom functions of the present invention adds an additional function of wireless intercom, which not only meets the individual's needs for calling and listening to music but also meets the needs of intercom communication during group work, enriches the applicable scenarios, improves the applicability, and is conducive to improving the user experience; a back clip is provided on the back of the rear shell, and the back clip is connected to the back of the rear shell through metal spring posts or screws, allowing the product to be fixed on the user's clothing, with stronger portability during outdoor work or exercise, and the user can better free their hands during outdoor work or exercise; the outer shell is wrapped with TPU soft glue, which can better achieve anti-fall, dust-proof, and waterproof functions during outdoor sports work, effectively protect the product safety, and improve the product service life.

BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a perspective view of the portable Bluetooth speaker with one-to-one and one-to-many intercom functions of the present invention;

[0017] Figure 2 is a side view of the portable Bluetooth speaker with one-to-one and one-to-many intercom functions of the present invention;

[0018] Figure 3 is an exploded view of the portable Bluetooth speaker with one-to-one and one-to-many intercom functions of the present invention;

[0019] Figure 4 is a circuit framework diagram of the PCBA board of the portable Bluetooth speaker with one-to-one and one-to-many intercom functions of the present invention.

DETAILED DESCRIPTION OF THE EMBODIMENTS

[0020] In order to make the objectives, technical solutions, and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and implementation examples. It should be understood that the specific implementation examples described herein are only used to explain the present invention and are not used to limit the present invention.

[0021] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only relative positions on the specified views, rather than absolute positions.

[0022] In addition, in the present utility model, descriptions such as "first", "second", etc. are only for descriptive purposes and should not be construed as indicating or implying their relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first", "second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "a plurality" is at least two, such as two, three, etc., unless otherwise specifically defined.

[0023] Please refer to Figures 1 to 4 , the portable Bluetooth speaker with one-to-one and one-to-many intercom functions of the present utility model includes a front shell 4 and a rear shell 8, the front shell 4 and the rear shell 8 are fixedly connected, and an accommodation space is formed between the front shell 4 and the rear shell 8.

[0024] A PCBA board 5 is arranged in the accommodation space, the PCBA board 5 includes a Bluetooth chip and an intercom main control chip, the Bluetooth chip is connected to the intercom main control chip, and the intercom main control chip is connected with a signal transceiver antenna. The signal transceiver antenna is used for receiving and transmitting radio frequency signals, and the Bluetooth chip and the intercom main control chip are used for processing data.

[0025] The Bluetooth chip is connected with a microphone microphone head, the intercom main control chip is connected with an audio power amplifier, and the audio power amplifier is connected with a speaker 3. The microphone microphone head is used for collecting sound and transmitting data to the Bluetooth chip. The audio power amplifier is used for amplifying the audio signal and then transmitting it to the speaker 3 for playing.

[0026] The speaker is started to form a local network through a button, and an internal wireless intercom main control chip can achieve one-to-one and one-to-many; when one of the speakers starts an intercom, other already networked speakers will hear the voice of the active speaker.

[0027] The speaker 3 is arranged inside the front shell 4, and a sound outlet net 1 is arranged outside the speaker 3, and the sound outlet net 1 is fixedly connected with the front shell 4.

[0028] During operation, the sound source is input to the microphone microphone head, the microphone microphone head collects sound and transmits data to the Bluetooth chip, and after the data is processed by the Bluetooth chip and the intercom main control chip, a radio frequency signal is sent out through the signal transceiver antenna, which is the transmitting process of the intercom function; when the intercom receives, the radio frequency signal is received by the signal transceiver antenna, the data is transmitted to the Bluetooth chip, after the data is processed by the Bluetooth chip and the intercom main control chip, an audio signal is sent out, and the audio signal is played by the speaker 3 after passing through the audio power amplifier.

[0029] The portable Bluetooth speaker of the present utility model with one-to-one and one-to-many intercom functions adds an additional function of wireless intercom, meeting the needs of individual calls and music listening as well as the needs of intercom communication during collective operations, enriching the applicable scenarios, improving applicability, and being beneficial to enhancing the user experience.

[0030] The Bluetooth chip uses a BT8956 model chip.

[0031] The intercom main control chip uses an AT2401 model chip.

[0032] The audio power amplifier uses an HT8313 model chip.

[0033] A back clip 9 is provided on the back of the rear shell 8. The back clip 9 is connected to the back of the rear shell 8 through metal spring posts or screws, allowing the product to be fixed on the user's clothing, with stronger portability during outdoor work or sports, and enabling the user to better free their hands during outdoor work or sports.

[0034] A battery 6 is arranged in the accommodating space. The battery 6 is connected to the PCBA board 5 for power supply. The battery 6 is a polymer battery.

[0035] The outer side of the front shell 4 is wrapped with a front TPU soft rubber 2, and the connection part between the front shell 4 and the rear shell 8 is wrapped with a rear TPU soft rubber 7. The outer shell is wrapped with TPU soft rubber, which can better achieve anti-fall, dust-proof and waterproof functions during outdoor sports operations, effectively protecting the product safety and extending the product service life.

[0036] The front shell 4 is made of plastic or TPU material.

[0037] The rear shell 8 is made of hard rubber or TPU material.

[0038] The microphone capsule is arranged on the PCBA board 5. Microphone sound collection holes 10 are opened on the front shell 4 and the front TPU soft rubber 2, and the positions of the microphone sound collection holes 10 correspond to the positions of the microphone capsules.

[0039] The PCBA board 5 is connected with control buttons, and the control buttons are exposed from the front shell 4 and the front TPU soft rubber 2.

[0040] The control buttons include a main power button, a pause button, a volume adjustment button, etc.

[0041] Compared with the prior art, the portable Bluetooth speaker with one-to-one and one-to-many intercom functions of the present utility model adds an additional function of wireless intercom, which not only meets the individual's needs for making calls and listening to music but also meets the needs of intercom communication during collective operations, enriches the applicable scenarios, improves the applicability, and is conducive to enhancing the user experience; a back clip 9 is provided on the back of the rear shell 8, and the back clip 9 is connected to the back of the rear shell 8 through metal spring posts or screws, allowing the product to be fixed on the user's clothing, with stronger portability during outdoor operations or sports, and enabling the user to better free their hands during outdoor operations or sports; the outer shell is wrapped with TPU soft glue, which can better achieve anti-fall, dust-proof, and waterproof functions during outdoor sports operations, effectively protecting the safety of the product and extending the service life of the product.

[0042] The above are only the preferred embodiments of the present utility model, and do not limit the patent scope of the present utility model accordingly. Any modifications, equivalent substitutions, and improvements made within the concept of the present utility model shall be included within the patent protection scope of the present utility model.

Claims

1. A portable Bluetooth speaker with one-to-one and one-to-many intercom functions, characterized in that: It comprises a front shell and a rear shell, wherein the front shell and the rear shell are fixedly connected, and an accommodating space is formed between the front shell and the rear shell; A PCBA board is arranged in the accommodating space, and the PCBA board includes a Bluetooth chip and an intercom main control chip, the Bluetooth chip is connected to the intercom main control chip, and the intercom main control chip is connected to a signal transceiver antenna; The Bluetooth chip is connected to a microphone head, the intercom main control chip is connected to an audio power amplifier, and the audio power amplifier is connected to a speaker.

2. The portable Bluetooth speaker with one-to-one and one-to-many intercom functions as claimed in claim 1, characterized in that: The microphone head is used to collect sound and transmit data to the Bluetooth chip, the Bluetooth chip and the intercom main control chip are used to process data, the signal transceiver antenna is used to send and receive radio frequency signals, and the audio amplifier is used to amplify the audio signal and transmit it to the speaker for playback; the speaker starts the local area network by pressing a button, and has a built-in wireless intercom main control chip, which can achieve one-to-one and one-to-many; when one of the speakers starts the intercom, other speakers that have been networked will hear the sound of active speaking.

3. The portable Bluetooth speaker with one-to-one and one-to-many intercom functions as claimed in claim 1, characterized in that: The speaker is arranged inside the front shell, and a sound outlet net is arranged outside the speaker, and the sound outlet net is fixedly connected to the front shell.

4. The portable Bluetooth speaker with one-to-one and one-to-many intercom functions as claimed in claim 1, characterized in that: A back clip is arranged on the back of the rear shell, and the back clip is connected to the back of the rear shell through metal spring columns or screws.

5. The portable Bluetooth speaker with one-to-one and one-to-many intercom functions as claimed in claim 1, characterized in that: A battery is arranged in the accommodating space, and the battery is connected to the PCBA board.

6. The portable Bluetooth speaker with one-to-one and one-to-many intercom functions as claimed in claim 1, characterized in that: The front shell is made of plastic or TPU material.

7. The portable Bluetooth speaker with one-to-one and one-to-many intercom functions as claimed in claim 1, characterized in that: The back shell is made of hard plastic or TPU material.

8. The portable Bluetooth speaker with one-to-one and one-to-many intercom functions as claimed in claim 5, characterized in that: The microphone head is arranged on the PCBA board, and a microphone sound receiving hole is opened on the front shell, and the position of the microphone sound receiving hole corresponds to the position of the microphone head.

9. The portable Bluetooth speaker with one-to-one and one-to-many intercom functions as claimed in claim 5, characterized in that: The PCBA board is connected with a control button, and the control button is exposed from the front shell.

10. The portable Bluetooth speaker with one-to-one and one-to-many intercom functions as claimed in claim 9, characterized in that: The control buttons include a main power button, a pause button and a volume adjustment button.

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