WO2018018738A1 - Haut-parleur multifonctionnel - Google Patents

Haut-parleur multifonctionnel 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
Authority
WO
WIPO (PCT)
Prior art keywords
bluetooth module
module
circuit
bluetooth
power amplifier
Prior art date
Application number
PCT/CN2016/099992
Other languages
English (en)
Chinese (zh)
Inventor
李双杰
Original Assignee
李双杰
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 李双杰 filed Critical 李双杰
Publication of WO2018018738A1 publication Critical patent/WO2018018738A1/fr

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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.

Landscapes

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

Abstract

Le présent modèle d'utilité se rapporte au domaine technique des dispositifs audio. L'invention concerne un haut-parleur multifonctionnel, comportant un module d'alimentation électrique, un module Bluetooth, un interrupteur de commande multifonctionnel servant à commander un état de fonctionnement du module Bluetooth, un module amplificateur de puissance servant à réaliser une reproduction audio, et un interface d'entrée de signaux externes dotée d'une connexion filaire directe à un signal audio externe. Une extrémité d'entrée du module Bluetooth est également reliée à l'interrupteur de commande multifonctionnel. Une extrémité d'entrée du module amplificateur de puissance est également reliée à une extrémité de sortie du module Bluetooth et à l'interface d'entrée de signaux externes. Placé à l'intérieur du module Bluetooth se trouve un circuit de silencieux servant à commander le passage du module Bluetooth à un état silencieux. Le circuit de silencieux est relié à l'interface d'entrée de signaux externes. Lorsque l'interface d'entrée de signaux externes est reliée au signal audio externe, le circuit de silencieux est branché. Le haut-parleur du présent modèle d'utilité assure non seulement une fonction Bluetooth, mais permet également une connexion directe à un signal filaire externe, peut être utilisé de façon interchangeable entre la fonction Bluetooth et une fonction courante d'amplification de puissance, et apporte une praticité accrue par rapport aux haut-parleurs courants.
PCT/CN2016/099992 2016-07-27 2016-09-24 Haut-parleur multifonctionnel WO2018018738A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201620797377.9U CN205812361U (zh) 2016-07-27 2016-07-27 一种多功能音箱
CN201620797377.9 2016-07-27

Publications (1)

Publication Number Publication Date
WO2018018738A1 true WO2018018738A1 (fr) 2018-02-01

Family

ID=57507547

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2016/099992 WO2018018738A1 (fr) 2016-07-27 2016-09-24 Haut-parleur multifonctionnel

Country Status (2)

Country Link
CN (1) CN205812361U (fr)
WO (1) WO2018018738A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106792334B (zh) * 2016-12-23 2023-05-12 深圳市火乐科技发展有限公司 一种带有蓝牙音箱的显示设备及其控制方法
CN106851480A (zh) * 2017-02-15 2017-06-13 广州飞达音响股份有限公司 蓝牙音箱
CN109362012B (zh) * 2018-12-11 2021-11-05 深圳创维数字技术有限公司 有线无线信号传输转换方法、扬声器及存储介质

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104066033A (zh) * 2014-06-30 2014-09-24 宁波翼动通讯科技有限公司 蓝牙音箱系统及其使用方法
CN205051856U (zh) * 2015-12-28 2016-02-24 江西日增科技有限公司 一种高性能高保真多媒体音箱
CN205123974U (zh) * 2015-11-16 2016-03-30 祁红勇 一种多功能蓝牙音箱
WO2016072699A1 (fr) * 2014-11-03 2016-05-12 윤지영 Dispositif audio intelligent basé sur l'internet des objets (ido)

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104066033A (zh) * 2014-06-30 2014-09-24 宁波翼动通讯科技有限公司 蓝牙音箱系统及其使用方法
WO2016072699A1 (fr) * 2014-11-03 2016-05-12 윤지영 Dispositif audio intelligent basé sur l'internet des objets (ido)
CN205123974U (zh) * 2015-11-16 2016-03-30 祁红勇 一种多功能蓝牙音箱
CN205051856U (zh) * 2015-12-28 2016-02-24 江西日增科技有限公司 一种高性能高保真多媒体音箱

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