CN204681563U - Line control machine with communicator and call Baffle Box of Bluetooth - Google Patents

Abstract

The utility model discloses a wire controller with a communication device and a bluetooth speaker for talking. The wire controller is connected with the body of the bluetooth speaker through a signal line, which can facilitate remote operation of the buttons of the bluetooth speaker; The controller uses the structure of the internal and external microphones to connect the Bluetooth speaker body through the signal line, so that the Bluetooth speaker for calls can control whether the built-in microphone of the external wire controller or the internal speaker body is enabled according to whether the wire controller is connected or not. The built-in microphone, when using the wire controller to talk, because the pickup microphone is converted into the built-in microphone of the wire controller, there is a long physical distance between it and the bluetooth speaker body that emits sound, which greatly reduces the sound feedback, thus greatly Improve the call effect of Bluetooth speakers.

Description

Wired controller with call device and call bluetooth speaker

technical field

The utility model relates to the technical field of bluetooth speakers, and particularly discloses a wire controller with a communication device and a bluetooth speaker for communication.

Background technique

Bluetooth speakers refer to audio equipment with built-in Bluetooth chips, which use Bluetooth connections instead of traditional wire connections. By connecting with Bluetooth playback devices such as mobile phones, tablet computers, and notebooks, they achieve the purpose of convenience and speed. Since the advent of Bluetooth speakers, with the development of smart terminals, they have received widespread attention from users such as mobile phones and tablets. Bluetooth technology (Bluetooth) makes speakers wireless possible, and various well-known brands have launched many "Bluetooth speakers" with various shapes. At present, Bluetooth speakers are mainly portable speakers, and their appearance is generally small and portable. Bluetooth speaker technology has gradually been valued and accepted by consumers due to its convenient and human features. Most of the common Bluetooth speakers on the market are mono speakers (single speaker unit ), and some multi-channel speakers (two or more speaker units) with excellent sound quality have also emerged.

With the widespread use of bluetooth speakers, adding more functions to bluetooth speakers has become a more urgent demand. At present, a batch of bluetooth speakers with calling functions have emerged, such as the bluetooth speakers for talking in patents CN302559957S and CN302742294S, and the bluetooth phone speakers for solar cars disclosed in patent CN102158773A.

In the existing bluetooth speaker products for calls, the microphone used to pick up the sound is usually placed in the speaker box, and the distance between the microphone and the speaker in the speaker box is very close, and the echo cancellation technology of the conventional bluetooth chip cannot completely solve the problem that the two are too close The echo problem is caused, so the call effect is not very ideal. In addition, in the existing Bluetooth speakers, the buttons and the speaker box are designed as one. When the distance between the speaker and the person is long, the buttons of the speaker cannot be operated, and it is difficult to meet the needs of long-distance operation of the Bluetooth speaker in outdoor occasions such as bicycle riding. need.

Utility model content

The purpose of this utility model is to provide a wire controller with a communication device, a wire controller with a built-in microphone, which is connected to the Bluetooth speaker body through a signal line, which can not only facilitate the remote operation of the buttons of the Bluetooth speaker, but also greatly improve the performance of the Bluetooth speaker. The speaker's call effect.

Another purpose of the present utility model is to provide a bluetooth speaker for calling, which is equipped with a wire controller with a built-in microphone, adopts the structure of inner and outer microphones, and is connected to the body of the bluetooth speaker through a signal line, so that the bluetooth speaker for calling can be controlled according to the wire controller. Connect or not to control whether to enable the built-in microphone of the external wire controller or the built-in microphone of the inner speaker body, so as to greatly improve the call effect of the Bluetooth speaker.

The utility model provides a wire controller, which is suitable for calling Bluetooth speakers, including

case;

Signal line, used for electrical connection between the wire controller and the call Bluetooth speaker body;

The wire controller circuit board is arranged inside the casing;

The control buttons are arranged outside the shell and are used to control the selection and playback of audio;

the microphone is arranged inside the housing and is electrically connected to the circuit board of the wire controller; and

The call button is arranged on the outside of the housing and is used to control the call on and off.

Use the signal line of the wire controller to extend the buttons on the Bluetooth speaker body to a certain distance to realize wired remote control, which can be far away from the corresponding buttons for indirect operation, and solve the problem of inconvenient button operation in outdoor occasions such as cycling, so as to meet the needs of outdoor and other special needs. Occasionally use needs.

There is a microphone in the body of the Bluetooth speaker, and a built-in microphone in the wire controller, that is, a dual-microphone method, and a microphone built into the body of the Bluetooth speaker for calls, which maintains the convenience of the Bluetooth speaker when the wire controller is not used. The built-in microphone of the wire controller is extended to a certain distance through the signal cable. When using the wire controller to talk, because the pickup microphone is converted into the built-in microphone of the wire controller, there is a long physical distance between it and the Bluetooth speaker body that produces the sound. The feedback of the sound is greatly reduced, and the call effect of the Bluetooth speaker can be greatly improved on the premise of using the echo cancellation technology of the existing Bluetooth chip.

Preferably, the control buttons include a play/stop button, a song selection button (for example, a next song button or a previous song button), a read/repeat button, a recording button or a volume adjustment button.

Preferably, the shell of the wire controller is also provided with a siren button, which is used to trigger the sound of the siren.

Preferably, one end of the signal line is provided with a hole plug to match the interface on the Bluetooth speaker for communication.

Preferably, the wire controller circuit board includes a wire controller button circuit corresponding to the control buttons, and a wire controller microphone circuit corresponding to the microphone.

The utility model also provides a bluetooth speaker for talking, including

The main body of the bluetooth speaker for communication has a built-in microphone and a speaker, and a speaker control button and a speaker call button are arranged on the shell; and

The wire controller mentioned above;

The signal line of the wire controller can be matched and connected with the interface on the Bluetooth speaker body.

The beneficial effects of the utility model have:

1. The signal line of the wire controller extends the buttons on the body of the Bluetooth speaker for calls to a certain distance, realizing wired remote control, which can be far away from the corresponding buttons for indirect operations, and solves the problem of inconvenient button operation in outdoor occasions such as cycling, so as to meet the needs of outdoor and other places. Special occasion use requirements.

2. Adopt the method of dual microphones, one microphone is built into the body of the Bluetooth speaker for calls, so as to maintain the convenience of calling with the Bluetooth speaker when the wire controller is not used. The built-in microphone of the wire controller is extended to a certain distance through the signal cable. When using the wire controller to talk, because the pickup microphone is converted into the built-in microphone of the wire controller, there is a long physical distance between it and the Bluetooth speaker body that produces the sound. The feedback of the sound is greatly reduced, and the call effect of the Bluetooth speaker can be greatly improved on the premise of using the echo cancellation technology of the existing Bluetooth chip.

The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments.

Description of drawings

Fig. 1 is a structural schematic diagram of the Bluetooth speaker body and wire controller of the present invention.

Fig. 2 is a structural schematic diagram of the communication bluetooth speaker body and the wire controller of the present invention.

Fig. 3 is a schematic diagram of the circuit connection relationship between the main body of the talking Bluetooth speaker and the wire controller of the present invention.

In the figure, 1-the main body of the Bluetooth speaker for communication, 2-wire controller with a communication device; 13-speaker control button, 14-speaker call button, 15-speaker whistle button, 21-housing, 22-signal line, 23 -Control button, 24-call button, 25-whistle button.

Detailed ways

This embodiment is a preferred implementation mode of the present utility model. Others whose principle and basic structure are the same or similar to this embodiment are within the protection scope of the present utility model.

Please refer to accompanying drawings 1 to 3 in combination, the communication bluetooth speaker of the present utility model includes

The body 1 of the bluetooth speaker for communication has a built-in microphone and a speaker (not shown), and the housing is provided with a speaker control button 13, a speaker call button 14 and a speaker whistle button 15; and

Wired controller with talk set 2.

Among them, the wire controller 2 with the communication device includes

housing 21;

The signal line 22 is used for electrical connection between the wire controller 2 and the Bluetooth speaker body 1;

The wire controller circuit board (not shown) is arranged inside the casing 21;

The control button 23 is arranged outside the casing 21 and is used to control the selection and playback of audio;

A microphone (not shown) is arranged inside the housing 21 and is electrically connected to the circuit board 23 of the wire controller; and

The call button 24 is arranged on the outside of the housing 21 and is used for controlling on and off of the call.

In this embodiment, the call bluetooth speaker body 1 is provided with control buttons 13 such as a play/stop button, a next song button or a previous song button, and a call button 14 for controlling the connection and hanging up of a call, which is used to trigger The whistle button 15 of the siren sound; correspondingly, the control buttons on the wire controller 2 with the communication device include control buttons 23 such as a play/stop button, a next song button or a previous song button, and are used to control the connection of the call And the call button 24 of hanging up, the whistle button 25 that is used to trigger the siren sound.

Of course, the selection of the control buttons is not limited to the selection of this implementation. Those skilled in the art can choose according to the needs, and even set the track selection button, read/repeat button, record button or volume adjustment button.

In this embodiment, one end of the signal line 22 is configured as a hole plug, which matches the interface on the Bluetooth speaker body 1 for calls.

In terms of circuit structure, please refer to accompanying drawing 3, the wire controller 2 with communication device is provided with

The key circuit of the wire controller is used to realize the function corresponding to the control key; and

The wire controller microphone circuit is used to control the call connection and hang up functions corresponding to the wire controller microphone;

The call bluetooth speaker body 1 is provided with:

MCU;

Microphone circuit, connected with MCU;

A power amplifier circuit is connected to the MCU and the microphone circuit respectively; and

MIC, which can be connected to the microphone circuit through a switch;

The signal line 22 in the wire controller 2 with the communication device can be matched and connected with the interface on the Bluetooth speaker body 1, so as to realize the connection between the button circuit in the wire controller 2 with the communication device and the MCU in the Bluetooth speaker body 1 ; The wire controller microphone circuit in the wire controller 2 picks up the sound and converts the current signal, and transmits it to the Bluetooth speaker body 1 through the signal line 22, that is, the button circuit converts different button signals into different voltage signals and sends them to the MCU of the Bluetooth speaker body 1 ;

In another situation, after the MCU detects that the signal line 22 is inserted, it controls the microphone circuit and the power amplifier circuit to adjust the sensitivity of the microphone and the gain of the power amplifier.

There is a microphone in the body of the Bluetooth speaker, and a built-in microphone in the wire controller, that is, a dual-microphone method, and a microphone built into the body of the Bluetooth speaker for calls, which maintains the convenience of the Bluetooth speaker when the wire controller is not used. The built-in microphone of the wire controller is extended to a certain distance through the signal cable. When using the wire controller to talk, because the pickup microphone is converted into the built-in microphone of the wire controller, there is a long physical distance between it and the Bluetooth speaker body that produces the sound. The feedback of the sound is greatly reduced, and the call effect of the Bluetooth speaker can be greatly improved on the premise of using the echo cancellation technology of the existing Bluetooth chip.

When the body of the bluetooth speaker for calls is connected to the wire controller, it is applied to the bicycle. During the riding process, the bluetooth speaker located in other parts of the bicycle can be conveniently controlled without stopping or leaving the handlebar. The signal line of the wire controller extends the buttons on the body of the Bluetooth speaker for calls to a certain distance, realizing wired remote control, which can be far away from the corresponding buttons for indirect operation, and solves the problem of inconvenient button operation in outdoor occasions such as cycling. Because the built-in microphone of the wire controller solves the problem of adding sound, and the microphone is closer to the human mouth, the sound pickup is clearer.

What is disclosed above is only the preferred embodiment of the present utility model, and of course the scope of rights of the present utility model cannot be limited with this. Therefore, the equivalent changes made according to the patent scope of the utility model still belong to the scope covered by the utility model .

Claims (6)

1. a line control machine, is applicable to Baffle Box of Bluetooth of conversing, it is characterized in that: comprise

Housing;

Holding wire, is electrically connected for line control machine and call Baffle Box of Bluetooth body;

Line control machine circuit board, is arranged at enclosure interior;

Controlling button, being arranged at outside, for controlling selection and the broadcasting of audio frequency;

Microphone, is arranged at enclosure interior, is electrically connected with line control machine circuit board; And talk button, be arranged at outside, for controlling the connection of call and hanging up.

2. line control machine according to claim 1, is characterized in that: control button comprise play/stop key, upper and lower bent selection key, with reading/re-reading button or volume adjusting button.

3. line control machine according to claim 2, is characterized in that: the housing of line control machine is also provided with button of blowing a whistle, for triggering the siren sound.

4. line control machine according to claim 1, is characterized in that: one end providing holes plug of holding wire, matches with the interface on call Baffle Box of Bluetooth.

5. line control machine according to claim 1, is characterized in that: line control machine circuit board comprises the line control machine key circuit corresponding with controlling button, and the line control machine microphone circuit corresponding with microphone.

6. a call Baffle Box of Bluetooth, comprises

Call Baffle Box of Bluetooth body, be built-in with microphone and loudspeaker, housing is provided with audio amplifier and controls button and audio amplifier talk button; And

Line control machine according to any one of claim 1 to 5;

The holding wire of line control machine, can be connected with the Interface Matching on call Baffle Box of Bluetooth body.