WO2018018738A1 - Multifunctional loudspeaker - Google Patents

Multifunctional loudspeaker Download PDF

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Publication number
WO2018018738A1
WO2018018738A1 PCT/CN2016/099992 CN2016099992W WO2018018738A1 WO 2018018738 A1 WO2018018738 A1 WO 2018018738A1 CN 2016099992 W CN2016099992 W CN 2016099992W WO 2018018738 A1 WO2018018738 A1 WO 2018018738A1
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WO
WIPO (PCT)
Prior art keywords
bluetooth module
module
circuit
bluetooth
power amplifier
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Application number
PCT/CN2016/099992
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French (fr)
Chinese (zh)
Inventor
李双杰
Original Assignee
李双杰
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Publication of WO2018018738A1 publication Critical patent/WO2018018738A1/en

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00—Circuits for transducers, loudspeakers or microphones

Definitions

  • the utility model belongs to the technical field of audio equipment, and particularly relates to a multifunctional speaker.
  • the present invention provides a multi-function speaker that can be switched between Bluetooth communication and an external wired signal.
  • a multifunctional speaker includes a power module, a Bluetooth module, a multi-function control that controls an operating state of the Bluetooth module, a power amplifier module that implements audio playback, and an external signal input interface that directly connects an external audio signal;
  • the power module is respectively connected to the input end of the Bluetooth module and the power amplifier module; the input end of the Bluetooth module is further connected with a multi-function control switch, and the input end of the power amplifier module is further connected with the output end of the Bluetooth module and the external signal input interface.
  • the bluetooth module is provided with a mute circuit for controlling the Bluetooth module to be in a mute state, and the mute circuit is connected with an external signal input interface, and when the external signal input interface is connected to an external audio signal, the mute circuit is connected; when the external signal input interface is connected When the external audio signal is not connected, the mute circuit is broken.
  • the power module includes a DC power interface, a polymer battery, and a battery charging management circuit that controls charging of the polymer battery and adjusts a charging current; the DC power interface is connected to a battery charging management circuit; The input end of the battery is connected to the battery charging management circuit, and the output end of the polymer battery is connected to the input end of the Bluetooth module.
  • the battery charging management circuit is further connected with a charging indicator indicating a charging state of the polymer battery
  • the power amplifier module includes a power amplifier and a speaker, and the input ends of the power amplifier are respectively connected to a polymer battery of a Bluetooth module and a power module, and an output end of the power amplifier is connected to the speaker.
  • the Bluetooth module includes a main control chip, a filter, and an antenna.
  • the filter is connected to the main control chip, and the antenna is connected to the filter.
  • the working state of the main control chip is controlled by the multi-function control. .
  • the Bluetooth module further includes a step-down circuit, wherein the input end of the step-down circuit is connected to the polymer battery, and the output end of the step-down circuit is connected to the main control chip.
  • the Bluetooth module further includes a pre-operational amplifier, and the input end and the output end of the pre-operational amplifier are respectively connected to the main control chip and the power amplifier.
  • the Bluetooth module is further connected with a control circuit for controlling up and down switching and adjusting the volume of the player, and the control circuit is connected to the main control chip.
  • the main control chip of the Bluetooth module is further connected with a MIC interface for picking up a call voice, and an echo processing circuit is further disposed between the MIC interface and the main control chip.
  • the main control chip of the Bluetooth module is further connected with an LED indicating circuit that displays an operating state of the Bluetooth function.
  • the speaker of the utility model not only has the Bluetooth function, but also can directly connect the external wired signal, and switch between the Bluetooth function and the ordinary power amplifier function, which is more practical than the general speaker.
  • FIG. 1 is a schematic structural view of the present invention.
  • the reference numerals are as follows:
  • a multifunctional speaker includes a power module 10, a Bluetooth module 20, a multi-function control 40 for controlling the working state of the Bluetooth module 20, a power amplifier module 30 for implementing audio playback, and an external wired audio connection.
  • An external signal input interface 44 of the signal; the power module 10 is respectively connected to the input end of the Bluetooth module 20 and the power amplifier module 30; the input end of the Bluetooth module 20 is further connected with a multi-function control switch 40, the power amplifier module An input end of the Bluetooth module 20 and an external signal input interface 44 are further connected to the input end of the 30; the Bluetooth module 20 is provided with a mute circuit for controlling the Bluetooth module 20 to be in a mute state, and the mute circuit is connected to the external signal input interface 44.
  • the external signal input interface 44 adopts a standard 3.5 socket with a control pin. When the external signal input interface 44 is connected to an external audio signal, the mute circuit is connected; when the external signal input interface 44 is not connected to an external audio signal, the mute is muted. The circuit is broken.
  • the speaker of the utility model not only has the Bluetooth function, but also can directly connect the external wired signal, and switch between the Bluetooth function and the ordinary power amplifier function, which is more practical than the general speaker.
  • the power module 10 includes a DC power interface 14, a polymer battery 12, and a battery charging management circuit 11 that controls the charging of the polymer battery 12 and adjusts the charging current; the DC power interface 14 and the battery charging management circuit. 11 connection; DC power interface 14 can be connected to the computer USB or DC output of other devices
  • the input end of the polymer battery 12 is connected to the battery charging management circuit 11, and the output end of the polymer battery 12 is connected to the input end of the Bluetooth module 20;
  • the battery charging management circuit 11 can perform the charging current of the polymer battery 12. Adjust and charge its constant current; polymer battery 12 has a capacity of 720MA and an instantaneous output of up to 1800MA.
  • the battery charging management circuit 11 is further connected with a charging indicator lamp 13 indicating the state of charge of the polymer battery 12.
  • a charging indicator lamp 13 indicating the state of charge of the polymer battery 12.
  • the power amplifier module 30 includes a power amplifier 32 and a speaker 31.
  • the input ends of the power amplifier 32 are respectively connected to the Bluetooth module 20 and the polymer battery 12 of the power module 10, and the output end of the power amplifier 32 and the speaker 31 connection; uses the current popular LM4871 power amplifier to output high quality sound effects.
  • the Bluetooth module 20 includes a main control chip 21, a filter 22, and an antenna 23.
  • the filter 22 is connected to the main control chip 21, and the antenna 23 is connected to the filter 22.
  • the main control chip 21 The working state is controlled by the multi-function control switch 40.
  • the Bluetooth module 20 further includes a step-down circuit 24, the input end of the step-down circuit 24 is connected to the polymer battery 12, and the output end of the step-down circuit 24 is connected to the main control chip 21.
  • the Bluetooth module 20 further includes a pre-operational amplifier 25, an input terminal of the pre-operational amplifier 25
  • the output ends are respectively connected to the main control chip 21 and the power amplifier 32.
  • the Bluetooth module 20 is further connected with a control circuit 41 for controlling up and down switching and adjusting the volume of the player, and the control circuit 41 is connected to the main control chip 21.
  • the main control chip 21 of the Bluetooth module 20 is also connected with a MIC interface for picking up call voices.
  • An echo processing circuit 26 is further provided between the MIC interface 43 and the main control chip 21.
  • the main control chip 21 of the Bluetooth module 20 is further connected with an LED indicating circuit 42 for displaying the working state of the Bluetooth function.
  • Bluetooth module 20 call principle: long press multi-function control ⁇ off 40 ⁇ machine pair code function, this ⁇ LED light flashes alternately, use Bluetooth mobile phone to connect with the machine code pair, when the machine enters the password, The Bluetooth mobile phone and the speaker pair code successfully communicate with each other, and then the mobile phone player can play music or dial the phone to realize the separate use of the machine and the mobile phone. [0041] After the first time the code is successfully executed, the subsequent connection does not need to perform the code again, and the communication connection is automatically realized, which is more convenient for reducing the code.
  • the control circuit 41 can control the ups and downs or volume of the mobile phone during the playing of the music.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

The present utility model relates to the technical field of audio devices. Disclosed is a multifunctional loudspeaker, comprising a power supply module, a Bluetooth module, a multifunctional control switch for controlling a work state of the Bluetooth module, a power amplifier module for implementing audio playback, and an external signal input interface having a direct wired connection to an external audio signal. An input end of the Bluetooth module also is connected to the multifunctional control switch. An input end of the power amplifier module also is connected to an output end of the Bluetooth module and to the external signal input interface. Provided within the Bluetooth module is a mute circuit for controlling the Bluetooth to go into a mute state. The mute circuit is connected to the external signal input interface. When the external signal input interface is connected to the external audio signal, the mute circuit is connected. The loudspeaker of the present utility model not only provides a Bluetooth function, but also allows direct connection to an external wired signal, can be used interchangeably between the Bluetooth function and a common power amplification function, and provides increased practicability relative to common loudspeakers.

Description

说明书 发明名称：一种多功能音箱  Manual Name: A multi-function speaker
技术领域  Technical field
[0001] 本实用新型属于音响设备技术领域， 具体涉及一种多功能音箱。  [0001] The utility model belongs to the technical field of audio equipment, and particularly relates to a multifunctional speaker.
背景技术  Background technique
[0002] 音箱作为人们日常生活的娱乐用品， 已经深入到千家万户， 得到了广泛的应用 。 过去传统的音箱都是有线连接至音频设备， 这样音箱就只能放到一定的位置 而无法随着用户喜欢随意摆放， 由于音箱采取有线连接， 容易发生断线， 如果 需要改变安装位置， 也可能有连接线或设备损坏； 随着社会的持续发展和技术 的不断进步， 现代音箱的性能有了非常大的提高， 近年来， 有多家公司推出了 带蓝牙传输功能的音箱， 可以不受连接线或者传输线的限制， 使用起来灵活、 方便。 然而， 目前的音箱要么是带有连接线的功放音箱， 要么是具有蓝牙功能 的无线音箱， 而且蓝牙音箱除了无线播放， 不具备其他性能， 功能较为单一， 不能满足用户多元化的需求。  [0002] As a entertainment item for people's daily life, the speaker has penetrated into thousands of households and has been widely used. In the past, traditional speakers were wired to audio devices, so that the speakers could only be placed in a certain position and could not be placed as desired by the user. Because the speakers were wired, they were prone to disconnection. If you need to change the installation position, There may be damage to the cable or equipment; With the continuous development of the society and the continuous advancement of technology, the performance of modern speakers has been greatly improved. In recent years, many companies have introduced speakers with Bluetooth transmission function, which can be The connection line or transmission line is flexible and convenient to use. However, the current speaker is either a power amplifier with a cable or a wireless speaker with Bluetooth function, and the Bluetooth speaker has no other performance except for wireless playback, and has a single function, which cannot meet the diversified needs of users.
技术问题  technical problem
问题的解决方案  Problem solution
技术解决方案  Technical solution
[0003] 为了解决上述问题， 本实用新型提供一种能够在蓝牙通信和外接有线信号之间 切换使用的多功能音箱。  In order to solve the above problems, the present invention provides a multi-function speaker that can be switched between Bluetooth communication and an external wired signal.
[0004] 一种多功能音箱， 包括电源模块、 蓝牙模块、 控制蓝牙模块工作状态的多功能 控制幵关、 实现音频播放的功放模块、 以及直接有线连通外接音频信号的外接 信号输入接口； 所述电源模块分别与蓝牙模块和功放模块的输入端连接； 所述 蓝牙模块的输入端还连接有多功能控制幵关， 所述功放模块的输入端还连接有 蓝牙模块的输出端和外接信号输入接口； 所述蓝牙模块内设有控制蓝牙模块处 于静音状态的静音电路， 所述静音电路与外接信号输入接口连接， 当外接信号 输入接口接入外接音频信号吋， 静音电路连通； 当外接信号输入接口未接入外 接音频信号吋， 静音电路断幵。 [0005] 其中， 所述电源模块包括 DC电源接口、 聚合物电池、 以及控制聚合物电池充 电并调整充电电流的电池充电管理电路； 所述 DC电源接口与电池充电管理电路 连接； 所述聚合物电池的输入端与电池充电管理电路连接， 聚合物电池的输出 端与蓝牙模块的输入端连接。 [0004] A multifunctional speaker includes a power module, a Bluetooth module, a multi-function control that controls an operating state of the Bluetooth module, a power amplifier module that implements audio playback, and an external signal input interface that directly connects an external audio signal; The power module is respectively connected to the input end of the Bluetooth module and the power amplifier module; the input end of the Bluetooth module is further connected with a multi-function control switch, and the input end of the power amplifier module is further connected with the output end of the Bluetooth module and the external signal input interface. The bluetooth module is provided with a mute circuit for controlling the Bluetooth module to be in a mute state, and the mute circuit is connected with an external signal input interface, and when the external signal input interface is connected to an external audio signal, the mute circuit is connected; when the external signal input interface is connected When the external audio signal is not connected, the mute circuit is broken. [0005] wherein, the power module includes a DC power interface, a polymer battery, and a battery charging management circuit that controls charging of the polymer battery and adjusts a charging current; the DC power interface is connected to a battery charging management circuit; The input end of the battery is connected to the battery charging management circuit, and the output end of the polymer battery is connected to the input end of the Bluetooth module.
[0006] 其中， 所述电池充电管理电路还连接有指示聚合物电池充电状态的充电指示灯  [0006] wherein the battery charging management circuit is further connected with a charging indicator indicating a charging state of the polymer battery
[0007] 其中， 所述功放模块包括功率放大器和扬声器， 所述功率放大器的输入端分别 与蓝牙模块、 电源模块的聚合物电池连接， 功率放大器的输出端与扬声器连接 [0007] wherein the power amplifier module includes a power amplifier and a speaker, and the input ends of the power amplifier are respectively connected to a polymer battery of a Bluetooth module and a power module, and an output end of the power amplifier is connected to the speaker.
[0008] 其中， 所述蓝牙模块包括主控芯片、 滤波器和天线， 所述滤波器与主控芯片连 接， 天线与滤波器连接， 所述主控芯片的工作状态由多功能控制幵关控制。 [0008] The Bluetooth module includes a main control chip, a filter, and an antenna. The filter is connected to the main control chip, and the antenna is connected to the filter. The working state of the main control chip is controlled by the multi-function control. .
[0009] 其中， 所述蓝牙模块还包括降压电路， 所述降压电路输入端与聚合物电池连接 ， 降压电路的输出端与主控芯片连接。  [0009] The Bluetooth module further includes a step-down circuit, wherein the input end of the step-down circuit is connected to the polymer battery, and the output end of the step-down circuit is connected to the main control chip.
[0010] 其中， 所述蓝牙模块还包括前置运算放大器， 前置运算放大器的输入端、 输出 端分别与主控芯片、 功率放大器连接。  [0010] The Bluetooth module further includes a pre-operational amplifier, and the input end and the output end of the pre-operational amplifier are respectively connected to the main control chip and the power amplifier.
[0011] 其中， 所述蓝牙模块还连接有控制上下曲切换和调节播放器音量大小的控制电 路， 所述控制电路与主控芯片连接。  [0011] wherein the Bluetooth module is further connected with a control circuit for controlling up and down switching and adjusting the volume of the player, and the control circuit is connected to the main control chip.
[0012] 其中， 所述蓝牙模块的主控芯片还连接有拾取通话语音的 MIC接口， MIC接口 和主控芯片之间还设有回音处理电路。  [0012] wherein, the main control chip of the Bluetooth module is further connected with a MIC interface for picking up a call voice, and an echo processing circuit is further disposed between the MIC interface and the main control chip.
[0013] 其中， 所述蓝牙模块的主控芯片还连接有显示蓝牙功能工作状态的 LED指示电 路。 [0013] wherein, the main control chip of the Bluetooth module is further connected with an LED indicating circuit that displays an operating state of the Bluetooth function.
发明的有益效果  Advantageous effects of the invention
有益效果  Beneficial effect
[0014] 本实用新型的音箱不仅具有蓝牙功能， 还能直接接入外接有线信号， 在蓝牙功 能和普通功放功能之间相互切换使用， 相对于一般的音箱更具实用性。  [0014] The speaker of the utility model not only has the Bluetooth function, but also can directly connect the external wired signal, and switch between the Bluetooth function and the ordinary power amplifier function, which is more practical than the general speaker.
对附图的简要说明  Brief description of the drawing
附图说明  DRAWINGS
[0015] 图 1为本实用新型的结构示意图。 [0016] 附图标记说明如下: 1 is a schematic structural view of the present invention. [0016] The reference numerals are as follows:
[0017] 10- -电源模块； 11_电池充电管理电路;  [0017] 10--power module; 11_ battery charging management circuit;
[0018] 12- _聚合物电池； 13_充电指示灯； [0018] 12- _ polymer battery; 13 _ charging indicator;
[0019] 14- _DC电源接口； 20_蓝牙模块；  [0019] 14-_DC power interface; 20_Bluetooth module;
[0020] 21- -主控芯片； 22_滤波器；  [0020] 21--master chip; 22_filter;
[0021] 23- -天线； 24_降压电路；  [0021] 23--antenna; 24_ step-down circuit;
[0022] 25- -前置运算放大器; 26_回音处理电路；  [0022] 25--pre-operational amplifier; 26_echo processing circuit;
[0023] 30- -功放模块； 31_扬声器；  [0023] 30--power amplifier module; 31_speaker;
[0024] 32- _功率放大器； 40_多功能控制幵关；  [0024] 32- _ power amplifier; 40_ multi-function control;
[0025] 41- -控制电路； 42_LED指示电路；  [0025] 41--control circuit; 42_LED indicating circuit;
[0026] 43- — MIC接口； 44 外接信号输入接口。  [0026] 43- — MIC interface; 44 external signal input interface.
[0027] 本实用新型的实施方式  [0027] Embodiments of the Invention
[0028] 为了使实用新型的目的、 技术方案及优点更加清楚明白， 以下结合附图及实施 例， 对本实用新型进行进一步详细说明。  [0028] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.
[0029] 参见图 1， 一种多功能音箱， 包括电源模块 10、 蓝牙模块 20、 控制蓝牙模块 20 工作状态的多功能控制幵关 40、 实现音频播放的功放模块 30、 以及直接有线连 通外接音频信号的外接信号输入接口 44; 所述电源模块 10分别与蓝牙模块 20和 功放模块 30的输入端连接； 所述蓝牙模块 20的输入端还连接有多功能控制幵关 4 0， 所述功放模块 30的输入端还连接有蓝牙模块 20的输出端和外接信号输入接口 44； 所述蓝牙模块 20内设有控制蓝牙模块 20处于静音状态的静音电路， 所述静 音电路与外接信号输入接口 44连接， 夕卜接信号输入接口 44采用标准 3.5带控制引 脚的插座， 当外接信号输入接口 44接入外接音频信号吋， 静音电路连通； 当外 接信号输入接口 44未接入外接音频信号吋， 静音电路断幵。  [0029] Referring to FIG. 1, a multifunctional speaker includes a power module 10, a Bluetooth module 20, a multi-function control 40 for controlling the working state of the Bluetooth module 20, a power amplifier module 30 for implementing audio playback, and an external wired audio connection. An external signal input interface 44 of the signal; the power module 10 is respectively connected to the input end of the Bluetooth module 20 and the power amplifier module 30; the input end of the Bluetooth module 20 is further connected with a multi-function control switch 40, the power amplifier module An input end of the Bluetooth module 20 and an external signal input interface 44 are further connected to the input end of the 30; the Bluetooth module 20 is provided with a mute circuit for controlling the Bluetooth module 20 to be in a mute state, and the mute circuit is connected to the external signal input interface 44. The external signal input interface 44 adopts a standard 3.5 socket with a control pin. When the external signal input interface 44 is connected to an external audio signal, the mute circuit is connected; when the external signal input interface 44 is not connected to an external audio signal, the mute is muted. The circuit is broken.
[0030] 本实用新型的音箱不仅具有蓝牙功能， 还能直接接入外接有线信号， 在蓝牙功 能和普通功放功能之间相互切换使用， 相对于一般的音箱更具实用性。  [0030] The speaker of the utility model not only has the Bluetooth function, but also can directly connect the external wired signal, and switch between the Bluetooth function and the ordinary power amplifier function, which is more practical than the general speaker.
[0031] 其中， 所述电源模块 10包括 DC电源接口 14、 聚合物电池 12、 以及控制聚合物 电池 12充电并调整充电电流的电池充电管理电路 11 ; 所述 DC电源接口 14与电池 充电管理电路 11连接； DC电源接口 14可以接电脑 USB或者其他设备输出的 DC-5 V； 所述聚合物电池 12的输入端与电池充电管理电路 11连接， 聚合物电池 12的输 出端与蓝牙模块 20的输入端连接； 电池充电管理电路 11可对聚合物电池 12的充 电电流进行调整并对其恒流充电； 聚合物电池 12的容量为 720MA, 瞬间输出可 达 1800MA电流。 [0031] wherein, the power module 10 includes a DC power interface 14, a polymer battery 12, and a battery charging management circuit 11 that controls the charging of the polymer battery 12 and adjusts the charging current; the DC power interface 14 and the battery charging management circuit. 11 connection; DC power interface 14 can be connected to the computer USB or DC output of other devices The input end of the polymer battery 12 is connected to the battery charging management circuit 11, and the output end of the polymer battery 12 is connected to the input end of the Bluetooth module 20; the battery charging management circuit 11 can perform the charging current of the polymer battery 12. Adjust and charge its constant current; polymer battery 12 has a capacity of 720MA and an instantaneous output of up to 1800MA.
[0032] 其中， 所述电池充电管理电路 11还连接有指示聚合物电池 12充电状态的充电指 示灯 13。 当外接电源对聚合物电池 12充电吋充电指示灯 13亮， 电池充满吋充电 指示灯 13灭。  [0032] wherein the battery charging management circuit 11 is further connected with a charging indicator lamp 13 indicating the state of charge of the polymer battery 12. When the external power supply charges the polymer battery 12, the charging indicator 13 lights up, and the battery is fully charged and the charging indicator 13 is off.
[0033] 其中， 所述功放模块 30包括功率放大器 32和扬声器 31， 所述功率放大器 32的输 入端分别与蓝牙模块 20、 电源模块 10的聚合物电池 12连接， 功率放大器 32的输 出端与扬声器 31连接； 采用当前流行的 LM4871功率放大器， 输出高品质的声音 效果。  [0033] The power amplifier module 30 includes a power amplifier 32 and a speaker 31. The input ends of the power amplifier 32 are respectively connected to the Bluetooth module 20 and the polymer battery 12 of the power module 10, and the output end of the power amplifier 32 and the speaker 31 connection; uses the current popular LM4871 power amplifier to output high quality sound effects.
[0034] 其中， 所述蓝牙模块 20包括主控芯片 21、 滤波器 22和天线 23， 所述滤波器 22与 主控芯片 21连接， 天线 23与滤波器 22连接， 所述主控芯片 21的工作状态由多功 能控制幵关 40控制。  [0034] The Bluetooth module 20 includes a main control chip 21, a filter 22, and an antenna 23. The filter 22 is connected to the main control chip 21, and the antenna 23 is connected to the filter 22. The main control chip 21 The working state is controlled by the multi-function control switch 40.
[0035] 其中， 所述蓝牙模块 20还包括降压电路 24， 所述降压电路 24输入端与聚合物电 池 12连接， 降压电路 24的输出端与主控芯片 21连接。  [0035] The Bluetooth module 20 further includes a step-down circuit 24, the input end of the step-down circuit 24 is connected to the polymer battery 12, and the output end of the step-down circuit 24 is connected to the main control chip 21.
[0036] 其中， 所述蓝牙模块 20还包括前置运算放大器 25， 前置运算放大器 25的输入端[0036] wherein the Bluetooth module 20 further includes a pre-operational amplifier 25, an input terminal of the pre-operational amplifier 25
、 输出端分别与主控芯片 21、 功率放大器 32连接。 The output ends are respectively connected to the main control chip 21 and the power amplifier 32.
[0037] 其中， 所述蓝牙模块 20还连接有控制上下曲切换和调节播放器音量大小的控制 电路 41， 所述控制电路 41与主控芯片 21连接。 [0037] The Bluetooth module 20 is further connected with a control circuit 41 for controlling up and down switching and adjusting the volume of the player, and the control circuit 41 is connected to the main control chip 21.
[0038] 其中， 所述蓝牙模块 20的主控芯片 21还连接有拾取通话语音的 MIC接口 43，[0038] wherein, the main control chip 21 of the Bluetooth module 20 is also connected with a MIC interface for picking up call voices.
MIC接口 43和主控芯片 21之间还设有回音处理电路 26。 An echo processing circuit 26 is further provided between the MIC interface 43 and the main control chip 21.
[0039] 其中， 所述蓝牙模块 20的主控芯片 21还连接有显示蓝牙功能工作状态的 LED指 示电路 42。 [0039] The main control chip 21 of the Bluetooth module 20 is further connected with an LED indicating circuit 42 for displaying the working state of the Bluetooth function.
[0040] 蓝牙模块 20通话原理： 长按多功能控制幵关 40打幵幵机对码功能， 此吋 LED灯 交互闪烁， 使用蓝牙手机与本机进行对码配对连接， 当本机输入密码后， 蓝牙 手机与音箱对码成功实现互相通信， 此吋可用手机播放器播放音乐或拔打电话 ， 实现本机与手机分离使用。 [0041] 在第一次对码成功后， 之后的连接则不需要再进行对码， 自动实现通信连接， 减少对码吋间， 更加便利。 [0040] Bluetooth module 20 call principle: long press multi-function control 幵 off 40 幵幵 machine pair code function, this 吋 LED light flashes alternately, use Bluetooth mobile phone to connect with the machine code pair, when the machine enters the password, The Bluetooth mobile phone and the speaker pair code successfully communicate with each other, and then the mobile phone player can play music or dial the phone to realize the separate use of the machine and the mobile phone. [0041] After the first time the code is successfully executed, the subsequent connection does not need to perform the code again, and the communication connection is automatically realized, which is more convenient for reducing the code.
[0042] 在播放音乐过程中控制电路 41可控制手机上下曲或音量大小。 [0042] The control circuit 41 can control the ups and downs or volume of the mobile phone during the playing of the music.
[0043] 如拔打电话或有电话打进来， 按一次多功能控制幵关 40， 产生一个应答信号给 手机， 同吋幵启麦克风功能， 即可进行通话； 结束通话吋再按一次多功能控制 幵关 40， 返回非应答信号， 同吋关闭麦克风功能。 [0043] If a call is made or a call is made, press the multi-function control button 40 to generate a response signal to the mobile phone, and the microphone function can be used to make a call; after the call is finished, press the multi-function control again.幵40, return non-response signal, and turn off the microphone function.
[0044] 以上内容仅为本实用新型的较佳实施例， 对于本领域的普通技术人员， 依据本 实用新型的思想， 在具体实施方式及应用范围上均会有改变之处， 本说明书内 容不应理解为对本实用新型的限制。 [0044] The above is only a preferred embodiment of the present invention. For those skilled in the art, according to the idea of the present invention, there will be changes in the specific implementation manner and application scope, and the contents of this specification are not It should be understood that the limitations of the present invention.

Claims

权利要求书 Claim
一种多功能音箱， 其特征在于： 包括电源模块、 蓝牙模块、 控制蓝牙 模块工作状态的多功能控制幵关、 实现音频播放的功放模块、 以及直 接有线连通外接音频信号的外接信号输入接口； A multifunctional speaker, comprising: a power module, a Bluetooth module, a multi-function control for controlling the working state of the Bluetooth module, a power amplifier module for realizing audio playback, and an external signal input interface for directly connecting the wired external audio signal;
所述电源模块分别与蓝牙模块和功放模块的输入端连接； 所述蓝牙模 块的输入端还连接有多功能控制幵关， 所述功放模块的输入端还连接 有蓝牙模块的输出端和外接信号输入接口； The power module is respectively connected to the input end of the Bluetooth module and the power amplifier module; the input end of the Bluetooth module is further connected with a multi-function control switch, and the input end of the power amplifier module is further connected with the output end of the Bluetooth module and an external signal input interface;
所述蓝牙模块内设有控制蓝牙模块处于静音状态的静音电路， 所述静 音电路与外接信号输入接口连接， 当外接信号输入接口接入外接音频 信号吋， 静音电路连通； 当外接信号输入接口未接入外接音频信号吋 ， 静音电路断幵。 The bluetooth circuit is provided with a mute circuit for controlling the Bluetooth module to be in a mute state, and the mute circuit is connected with an external signal input interface. When the external signal input interface is connected to an external audio signal, the mute circuit is connected; when the external signal input interface is not When the external audio signal is connected, the mute circuit is broken.
根据权利要求 1所述的一种多功能音箱， 其特征在于： 所述电源模块 包括 DC电源接口、 聚合物电池、 以及控制聚合物电池充电并调整充 电电流的电池充电管理电路， A multifunctional speaker according to claim 1, wherein: said power module comprises a DC power interface, a polymer battery, and a battery charging management circuit for controlling charging of the polymer battery and adjusting a charging current.
所述 DC电源接口与电池充电管理电路连接； The DC power interface is connected to a battery charging management circuit;
所述聚合物电池的输入端与电池充电管理电路连接， 聚合物电池的输 出端与蓝牙模块的输入端连接。 The input end of the polymer battery is connected to a battery charging management circuit, and the output end of the polymer battery is connected to the input end of the Bluetooth module.
根据权利要求 2所述的一种多功能音箱， 其特征在于： 所述电池充电 管理电路还连接有指示聚合物电池充电状态的充电指示灯。 A multi-functional speaker according to claim 2, wherein: said battery charging management circuit is further connected with a charging indicator indicating a state of charge of the polymer battery.
根据权利要求 2所述的一种多功能音箱， 其特征在于： 所述功放模块 包括功率放大器和扬声器， 所述功率放大器的输入端分别与蓝牙模块 、 电源模块的聚合物电池连接， 功率放大器的输出端与扬声器连接。 根据权利要求 4所述的一种多功能音箱， 其特征在于： 所述蓝牙模块 包括主控芯片、 滤波器和天线， 所述滤波器与主控芯片连接， 天线与 滤波器连接， 所述主控芯片的工作状态由多功能控制幵关控制。 根据权利要求 5所述的一种多功能音箱， 其特征在于： 所述蓝牙模块 还包括降压电路， 所述降压电路输入端与聚合物电池连接， 降压电路 的输出端与主控芯片连接。 [权利要求 7] 根据权利要求 6所述的一种多功能音箱， 其特征在于： 所述蓝牙模块 还包括前置运算放大器， 前置运算放大器的输入端、 输出端分别与主 控芯片、 功率放大器连接。 The multi-functional speaker according to claim 2, wherein: the power amplifier module comprises a power amplifier and a speaker, and the input ends of the power amplifier are respectively connected to a polymer battery of the Bluetooth module and the power module, and the power amplifier The output is connected to the speaker. The multi-functional speaker according to claim 4, wherein: the Bluetooth module comprises a main control chip, a filter and an antenna, the filter is connected to the main control chip, and the antenna is connected to the filter, the main The working state of the control chip is controlled by the multi-function control. The multifunctional speaker according to claim 5, wherein: the Bluetooth module further comprises a step-down circuit, wherein the input end of the step-down circuit is connected to the polymer battery, and the output end of the step-down circuit and the main control chip connection. [Claim 7] A multifunctional speaker according to claim 6, wherein: the Bluetooth module further comprises a front operational amplifier, the input end and the output end of the pre-operational amplifier are respectively associated with the main control chip and the power Amplifier connection.
[权利要求 8] 根据权利要求 7所述的一种多功能音箱， 其特征在于： 所述蓝牙模块 还连接有控制上下曲切换和调节播放器音量大小的控制电路， 所述控 制电路与主控芯片连接。  [Claim 8] A multifunctional speaker according to claim 7, wherein: the Bluetooth module is further connected with a control circuit for controlling up and down switching and adjusting the volume of the player, the control circuit and the main control Chip connection.
[权利要求 9] 根据权利要求 8所述的一种多功能音箱， 其特征在于： 所述蓝牙模块 的主控芯片还连接有拾取通话语音的 MIC接口， MIC接口和主控芯片 之间还设有回音处理电路。 [Claim 9] A multifunctional speaker according to claim 8, wherein: the main control chip of the Bluetooth module is further connected with a MIC interface for picking up a call voice, and a MIC interface and a main control chip are further provided. There is an echo processing circuit.
[权利要求 10] 根据权利要求 9所述的一种多功能音箱， 其特征在于： 所述蓝牙模块 的主控芯片还连接有显示蓝牙功能工作状态的 LED指示电路。 [Claim 10] A multifunctional speaker according to claim 9, wherein: the main control chip of the Bluetooth module is further connected with an LED indicating circuit for displaying an operating state of the Bluetooth function.
PCT/CN2016/099992 2016-07-27 2016-09-24 Multifunctional loudspeaker WO2018018738A1 (en)

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CN106792334B (en) * 2016-12-23 2023-05-12 深圳市火乐科技发展有限公司 Display equipment with Bluetooth sound box and control method thereof
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CN109362012B (en) * 2018-12-11 2021-11-05 深圳创维数字技术有限公司 Wired/wireless signal transmission/conversion method, speaker, and storage medium

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