CN202907129U - A bluetooth speaker that can answer calls - Google Patents

Abstract

The utility model relates to an audio amplifier technical field discloses a bluetooth speaker of phone-capable, including the audio amplifier body, the audio amplifier body is "A" font, be equipped with on the audio amplifier body according to the key set, draw-in groove and loudspeaker, wherein according to the key set and being located audio amplifier body top, according to being equipped with switch in the key set, broadcast/pause, last song/next song, volume +/volume-and bluetooth button, the draw-in groove is located the audio amplifier body back, be provided with SD in the draw-in groove and read card socket and USB socket, loudspeaker are located the positive middle part of audio amplifier body, this internal microphone that is equipped with of audio amplifier, bluetooth module and central processing module, loudspeaker are connected with microphone bluetooth module and central processing module. The utility model discloses the size is small and exquisite, convenient to carry, has the handfree function of bluetooth, installs the microphone in the audio amplifier simultaneously, and under bluetooth connection status, this function of accessible is answered and is made a call, also can listen to the music file of the interior storage of cell-phone.

Description

A bluetooth speaker that can answer calls

technical field

The utility model relates to the technical field of sound boxes, in particular to a bluetooth sound box capable of answering and dialing calls.

Background technique

As the functions of IPHONE, IPAD, and smart phones become more and more powerful, people are no longer the same as before. In addition to making and receiving calls, mobile phones are more often used for entertainment on mobile phones, such as surfing the Internet, playing games, listening to music, watching Movies, English learning, etc. have enriched people's life, study and work, but due to other reasons such as volume, these handheld devices have been greatly limited in terms of sound and cannot meet the real needs of users. Wired connection to other audio amplification devices In addition to being inconvenient to carry, the connecting wires of various models are also different, and ordinary handheld devices are also fixed and cannot be moved casually, which greatly reduces the actual experience effect.

For example, the utility model of China Authorized Notice No. CN 202135278 U provides a multifunctional bluetooth speaker. The power supply circuit is connected, and the multifunctional bluetooth speaker also includes a microphone, a keyboard and an LCD display, the microphone is connected to the above-mentioned bluetooth module, and the keyboard and the LCD display are connected to the bluetooth module through a single-chip microcomputer. The multifunctional Bluetooth speaker realizes functions such as dialing, control, and audio switching through the speaker keyboard or remote control. It is cost-effective and convenient for home and office applications. But this bluetooth speaker cannot answer and make calls, which is not suitable for modern fast-paced life.

Contents of the invention

The purpose of the utility model is to provide a bluetooth speaker that is easy to carry and can answer and make calls in view of the deficiencies of the prior art.

The technical solution of the utility model is: a bluetooth speaker that can answer the phone, including a speaker body, characterized in that: the speaker body is in the shape of an "A", and the speaker body is provided with a button group, a card slot and a speaker, and the button The group is located at the top of the speaker body, the card slot is located at the back of the speaker body, the speaker is located at the middle of the front of the speaker body, the speaker body is provided with a microphone, a Bluetooth module and a central processing module, and the speaker is connected to the microphone Bluetooth module and the central processing module.

The button group is provided with power switch, play/pause, previous/next song, volume+/volume- and bluetooth buttons.

An SD card reading socket and a USB socket are arranged in the card slot.

The number of speakers is 2.

The central processing module is integrated control software of the MCU, which can decode and control the playback of music files in other storage devices such as USB flash drives.

The utility model has the following advantages:

1. It has a Bluetooth hands-free function, and a microphone is installed in the speaker. In the Bluetooth connection state, you can use this function to answer and make calls, and you can also listen to music files stored in the mobile phone. The call quality is excellent;

2. It is equipped with SD card reading socket and USB socket, which can automatically retrieve SD card and USB interface, automatically identify the storage device of the connected SD card and USB interface, and perform audio playback through the conversion of the central processing module;

3. The utility model is small in size and easy to carry.

Description of drawings

Accompanying drawing 1 is the front view of the bluetooth sound box that can answer the phone described in the utility model.

Accompanying drawing 2 is the rear view of the bluetooth sound box that can answer the phone described in the utility model.

Accompanying drawing 3 is the schematic block diagram of the circuit of the bluetooth sound box that can answer the phone described in the utility model.

In the figure: 1-speaker body, 2-button group, 3-card slot, 4-speaker, 5-microphone.

Detailed ways

Below in conjunction with embodiment the utility model is described further:

In this embodiment, as shown in Fig. 1, Fig. 2 and Fig. 3, a bluetooth speaker that can answer the phone includes a speaker body 1, the speaker body 1 is in the shape of an "A", and the speaker body 1 is provided with a button group 2, The card slot 3 and the speaker 4, wherein the button group 2 is located on the top of the speaker body 1, and the button group 2 is equipped with power switch, play/pause, previous/next song, volume +/volume- and Bluetooth buttons, card insertion The slot 3 is located on the back of the speaker body 1. The card slot 3 is provided with an SD card reader socket and a USB socket. The speaker 4 is located in the middle of the front of the speaker body 1. There are 2 speakers. Module and central processing module, loudspeaker 4 is connected with microphone 5 bluetooth module and central processing module, central processing module is the control software integrated by MCU, can decode the music file in other storage devices such as U disk and control its playback.

The specific embodiment of the utility model is as follows:

After turning on the power of the audio system, the Bluetooth module and the central processing module immediately start initialization, and at the same time retrieve, Bluetooth signal, SD card reader socket and USB socket. When a Bluetooth signal is detected, the Bluetooth module sends the signal to the central processing module, and the central processing module After the module processes the results, it feeds back the results to the Bluetooth module, completes the communication and control with the Bluetooth module through the central processing module, realizes the interconnection between Bluetooth mobile phones or PCs with Bluetooth functions and Bluetooth modules, and completes the music playback function .

When the sound source of the SD card reading socket and USB socket is retrieved, after pressing the button of the button group, the speaker will perform the specific functions of power switch, play/pause, previous/next song, volume+/volume- and Bluetooth buttons. Button function, under the guidance of the pre-set software program, the speaker performs calculation, encoding/decoding, and outputs a digital pulse signal. By searching the audio dynamic memory, it finds the specified song in the SD card or U disk and then plays it through the speaker.

The way of talking between the Bluetooth speaker and the mobile phone is as follows:

(1) Receive a call: When a call comes in, the music played by the Bluetooth speaker enters a pause state, press the "Answer" button on the mobile phone, and enter the call answering state. At this time, the user does not need to take the phone to answer the call, and directly faces the Bluetooth The microphone on the speaker is enough to speak;

(2) Make a phone call: When the Bluetooth speaker is playing music, you can dial the number directly with Bluetooth or with your mobile phone. It takes a few seconds. Connected, the user does not need to hold the mobile phone, but directly speaks to the device for telephone communication. After the call, the music will be the same according to the function of the user's mobile phone, and the mobile phone can continue to play Bluetooth; when the user needs to redial the last dialed Phone number, just press the answer button;

(3) On-hook operation: When the user wants to end the call, press this button to execute the on-hook function, and the call ends.

The utility model supports hands-free calls under the bluetooth connection state by setting a bluetooth module, and at the same time integrates the control software of the MCU in the audio system to automatically identify the connected storage device and play the audio smoothly.

Claims (4)

1. the Baffle Box of Bluetooth that can answer the call, comprise the audio amplifier body, it is characterized in that: described audio amplifier body is " A " font, the audio amplifier body is provided with key groups, card slot and loudspeaker, key groups is positioned at audio amplifier body top, and card slot is positioned at the audio amplifier body back side, and loudspeaker are positioned at middle part, audio amplifier body front, be provided with microphone, bluetooth module and central processing module in the audio amplifier body, loudspeaker are connected with microphone bluetooth module and central processing module.

2. Baffle Box of Bluetooth of answering the call according to claim 1 is characterized in that: be provided with in the described key groups mains switch, broadcast/time-out, a upper song/next song, volume+/ volume-and Bluetooth key.

3. Baffle Box of Bluetooth of answering the call according to claim 1 is characterized in that: be provided with SD Card Reader socket and USB socket in the described card slot.

4. Baffle Box of Bluetooth of answering the call according to claim 1, it is characterized in that: described loudspeaker number is 2.

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