WO2014048021A1 - Multimedia sound system with functions of full-frequency output and bass resonance output - Google Patents

Multimedia sound system with functions of full-frequency output and bass resonance output Download PDF

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Publication number
WO2014048021A1
WO2014048021A1 PCT/CN2012/085242 CN2012085242W WO2014048021A1 WO 2014048021 A1 WO2014048021 A1 WO 2014048021A1 CN 2012085242 W CN2012085242 W CN 2012085242W WO 2014048021 A1 WO2014048021 A1 WO 2014048021A1
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Prior art keywords
bass
cover
full
box
speaker
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PCT/CN2012/085242
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French (fr)
Chinese (zh)
Inventor
吴世杰
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深圳市奥尼电子工业有限公司
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Priority to CN201220504248.8 priority Critical
Priority to CN201220504248 priority
Priority to CN 201220555836 priority patent/CN202889600U/en
Priority to CN201220555836.4 priority
Application filed by 深圳市奥尼电子工业有限公司 filed Critical 深圳市奥尼电子工业有限公司
Publication of WO2014048021A1 publication Critical patent/WO2014048021A1/en

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
    • H04R1/28Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807Enclosures comprising vibrating or resonating arrangements
    • H04R1/283Enclosures comprising vibrating or resonating arrangements using a passive diaphragm
    • H04R1/2834Enclosures comprising vibrating or resonating arrangements using a passive diaphragm for loudspeaker transducers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only
    • H04R1/24Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00Details of connection covered by H04R, not provided for in its groups
    • H04R2420/07Applications of wireless loudspeakers or wireless microphones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00Details of connection covered by H04R, not provided for in its groups
    • H04R2420/09Applications of special connectors, e.g. USB, XLR, in loudspeakers, microphones or headphones
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R3/00Circuits for transducers, loudspeakers or microphones
    • H04R3/12Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers

Abstract

Disclosed is a multimedia sound system with functions of full-frequency output and bass resonance output, comprising a box upper cover, a box middle cover, a box lower cover, a box bottom cover, and a bass resonance speaker base that are sequentially disposed from top to bottom. The box middle cover and the box lower cover are fixedly connected. The box lower cover and the box bottom cover are fixedly connected. A full-frequency speaker is disposed on the box upper cover, a circuit board assembly and a rechargeable battery are disposed on the box lower cover. A bass resonance speaker is disposed on the box bottom cover. The bass resonance speaker and the bass resonance speaker base are fixedly connected. At least one passive diaphragm bass radiation basin is disposed on the box middle cover. The full-frequency speaker, box upper cover, passive diaphragm bass radiation basin, and box middle cover form a sealed passive diaphragm resonant structure cavity. The multimedia sound system has a resonance output effect and can output full-frequency music with a high pitch, a middle pitch, and a low pitch in different use conditions.

Description

一种具有全频输出及低音共振输出功能的多媒体音响Multimedia audio with full-frequency output and bass resonance output
技术领域Technical field
本实用新型涉及音响设备技术领域,尤其涉及一种具有全频输出及低音共振输出功能的多媒体音响。The utility model relates to the technical field of audio equipment, in particular to a multimedia sound with full frequency output and low frequency resonance output function.
背景技术Background technique
随着生活水平的提高,人们对音响的要求也逐渐提高,而音响中的低音效果往往成为人们一个关注点,扬声器在音响设备中是一个最薄弱的器件,而对于音响效果而言,它又是个最重要的部件,在普通音响里单个喇叭的低音往往不如人意,要提高低音效果,常见手段是加大音箱体积和提高输出功率来实现,成本高昂,使用不便;而为增强低音出现的共振音箱又太过依赖于振动介质,一旦脱离振动介质就缺少良好的低音效果。现有技术缺少一种高、中、低音全频段表现良好的体积较小的共振式音响。 With the improvement of living standards, people's requirements for audio are gradually increasing, and the bass effect in the audio is often a concern. The speaker is the weakest device in the audio equipment, and for the sound effect, it is It is the most important component. In ordinary audio, the bass of a single speaker is often unsatisfactory. To improve the bass effect, common methods are to increase the speaker volume and increase the output power, which is costly and inconvenient to use. The speaker is too dependent on the vibrating medium, and once it is detached from the vibrating medium, it lacks good bass. The prior art lacks a small-sized resonant sound that performs well in the high, medium, and low frequency bands.
实用新型内容Utility model content
本实用新型所要解决的技术问题是,提供一种具有全频输出及低音共振输出功能的多媒体音响,该多媒体音响既有共振输出效果,又能在不同使用情况下都能输出高音、中音、低音的全频音乐。The technical problem to be solved by the utility model is to provide a multimedia sound having a full-frequency output and a bass resonance output function, the multimedia sound has both a resonance output effect and a high-pitched, medium-tone output under different use conditions. Full-range music for bass.
为解决上述技术问题,本实用新型采用如下技术方案。In order to solve the above technical problems, the present invention adopts the following technical solutions.
一种具有全频输出及低音共振输出功能的多媒体音响,其包括有由上至下依次设置的一箱体上盖、一箱体中盖、一箱体下盖、一箱体底盖及一低音共振扬声器底座,所述箱体中盖与箱体下盖固定连接,所述箱体下盖与箱体底盖固定连接,所述箱体上盖上设有一全频扬声器,所述箱体下盖上设有一线路板组装件及一可充电电池,所述箱体底盖上设有一低音共振扬声器,所述低音共振扬声器与低音共振扬声器底座固定连接,所述箱体中盖上设有至少一个被动振膜低音辐射盆,所述全频扬声器、箱体上盖、被动振膜低音辐射盆和箱体中盖形成一个密封的被动振膜共振结构腔体。A multimedia sound having a full-frequency output and a bass resonance output function, comprising a box upper cover, a box middle cover, a box bottom cover, a box bottom cover and a cover arranged in order from top to bottom a bass resonance speaker base, the cover of the box body is fixedly connected with the lower cover of the box body, the lower cover of the box body is fixedly connected with the bottom cover of the box body, and the cover of the box body is provided with a full-range speaker, the box body The bottom cover is provided with a circuit board assembly and a rechargeable battery. The bottom cover of the box is provided with a bass resonance speaker. The bass resonance speaker is fixedly connected with the bass resonance speaker base, and the cover is provided on the cover. At least one passive diaphragm subwoofer, the full-range speaker, the upper cover of the box, the passive diaphragm subwoofer and the cover of the box form a sealed passive diaphragm resonance structure cavity.
优选地,所述被动振膜低音辐射盆的数量是一个,其固定于一辐射盆支架上,所述辐射盆支架与箱体中盖固定连接。Preferably, the number of the passive diaphragm buoyancy basin is one, which is fixed on a radiation basin bracket, and the radiation basin bracket is fixedly connected to the cover of the box body.
优选地,所述被动振膜低音辐射盆、箱体中盖和箱体下盖形成腔体,所述箱体下盖开有导气孔。Preferably, the passive diaphragm bassizing basin, the box middle cover and the box lower cover form a cavity, and the box lower cover is provided with an air guiding hole.
优选地,所述被动振膜低音辐射盆的数量是两个,二者均固定连接于箱体上盖与箱体中盖之间。Preferably, the number of the passive diaphragm subwoofers is two, and both are fixedly connected between the upper cover of the box and the middle cover of the box.
优选地,所述可充电电池固定于线路板组装件上,该线路板组装件通过螺丝而固定于箱体下盖。Preferably, the rechargeable battery is fixed to the circuit board assembly, and the circuit board assembly is fixed to the lower cover of the case by screws.
优选地,所述箱体下盖与箱体底盖通过螺丝而固定连接,所述低音共振扬声器固定于箱体底盖的扣位之上且与箱体下盖通过螺丝而固定连接,所述低音共振扬声器螺纹连接于低音共振扬声器底座且二者的螺纹旋紧处通过螺丝胶加固。Preferably, the lower cover of the box and the bottom cover of the box are fixedly connected by screws, and the bass resonance speaker is fixed on the buckle of the bottom cover of the box and is fixedly connected with the lower cover of the box by screws. The bass resonance speaker is screwed to the bass resonance speaker base and the threaded screws of the two are reinforced with screws.
优选地,所述线路板组装件包括有:一音源模块,其用于连接外部音源;一全频音和低音调节单元,其连接于音源模块的输出端,用于将全频音信号及低音信号处理后输出;一声音产生模块,其包括全频扬声器和低音共振扬声器且二者分别连接于全频音和低音调节单元的输出端,二者分别用于将全频音信号和低音信号以声音方式输出,该声音产生模块还包括被动振膜低音辐射盆,其用于将震荡气流以低音方式输出;一电池供电和充电保护模块,其用于为全频音和低音调节单元以及音源模块供电。Preferably, the circuit board assembly comprises: a sound source module for connecting an external sound source; a full-tone and bass adjusting unit connected to the output end of the sound source module for using the full-tone signal and the bass Signal processing output; a sound generating module comprising a full-range speaker and a bass resonance speaker and respectively connected to the output of the full-tone and bass adjustment unit, respectively for respectively using the full-tone signal and the bass signal Sound mode output, the sound generating module further comprises a passive diaphragm bassizing basin for outputting the oscillating airflow in a bass mode; a battery power supply and charging protection module for the full frequency and bass adjusting unit and the sound source module powered by.
优选地,所述全频音和低音调节单元包括一前置信号放大电路、一全频音输入电路、一低音输入电路、一全频音功率放大和输出电路以及一低音功率放大和输出电路,所述音源模块输出的音频信号经过前置信号放大电路而分别输送至全频音输入电路和低音输入电路,所述全频音输入电路输出的全频音信号经过全频音功率放大和输出电路而输送至全频扬声器,所述低音输入电路输出的低音信号经过低音功率放大和输出电路而输送至低音共振扬声器。Preferably, the full-range sound and bass adjustment unit comprises a pre-signal amplification circuit, a full-tone input circuit, a bass input circuit, a full-tone power amplification and output circuit, and a bass power amplification and output circuit. The audio signal output by the sound source module is respectively sent to the full-frequency sound input circuit and the bass input circuit through the pre-signal amplifying circuit, and the full-frequency sound signal output by the full-frequency sound input circuit passes through the full-frequency sound power amplification and output circuit. And delivered to the full-range speaker, the bass signal output by the bass input circuit is sent to the bass resonance speaker through the bass power amplification and output circuit.
优选地,所述全频音和低音调节单元还包括依次连接的一适配器或USB充电和保护模块、一可充电电池以及一电源管理电路,所述电源管理电路用于为前置信号放大电路、全频音功率放大和输出电路以及低音功率放大和输出电路提供稳定的电压,所述适配器或USB充电和保护模块用于对可充电电池充电以及实现过流过压保护,该适配器或USB充电和保护模块的电源输入接口是DC Plug插座、Micro USB接口以及Mini USB接口中的一种或几种的组合。Preferably, the full-range and bass adjustment unit further includes an adapter or USB charging and protection module, a rechargeable battery, and a power management circuit, which are sequentially connected, and the power management circuit is used for a pre-signal amplification circuit, The full-tone power amplification and output circuitry, as well as the bass power amplification and output circuitry, provide a stable voltage, and the adapter or USB charging and protection module is used to charge the rechargeable battery and implement overcurrent and overvoltage protection, the adapter or USB charging and The power input interface of the protection module is DC A combination of one or more of a Plug socket, a Micro USB interface, and a Mini USB interface.
优选地,所述音源模块包括有:一无线蓝牙音源,其用于接收用户的蓝牙设备所发出的音频信号;一无线WiFi音源,其用于接收用户的WiFi设备所发出的音频信号;一U盘/TF卡音源,其用于识别和读取U盘或TF卡所存储的音频文件而转换为音频信号;一Aux In音源,其用于识别和读取外部存储设备的音频文件而转换为音频信号;所述音源模块的音频输入接口是3.5mm音频母座、RCA输入接口以及USB输入口的一种或几种的组合。Preferably, the sound source module comprises: a wireless bluetooth sound source for receiving an audio signal emitted by a user's Bluetooth device; and a wireless WiFi sound source for receiving an audio signal emitted by the user's WiFi device; A disk/TF card source for recognizing and reading audio files stored on a USB flash drive or TF card for conversion to an audio signal; An audio source for recognizing and reading an audio file of an external storage device and converting the audio file into an audio signal; the audio input interface of the sound source module is one or more of a 3.5 mm audio female socket, an RCA input interface, and a USB input port The combination.
本实用新型提出的多媒体音响,其有益效果在于:The multimedia audio proposed by the utility model has the beneficial effects of:
1、具有播放输出高音、中音和低音全频段音乐效果的功能。该音响全频扬声器能完美输出高音和中音,低音效果略显不足,而被动振膜低音辐射盆在无需加大功率输出和小巧的音箱体积时就能产生浑厚饱满的低音效果,刚好弥补全频喇叭的低音不足,再加上低音共振扬声器独立地输出低音,从而完美实现全频音乐播放。1. It has the function of playing the high-range, mid-range and bass full-band music effects. The audio full-range speaker can output high-pitched and mid-range perfectly, and the bass effect is slightly insufficient. The passive diaphragm bass-radiation basin can produce a full and powerful bass effect without increasing the power output and compact speaker volume. The bass of the horn is not enough, and the bass resonance speaker independently outputs the bass, which is perfect for full-range music playback.
2、具有共振音响极具震撼力的低频共振输出的低音和超重低音效果。2. Bass and subwoofer effects with low-frequency resonance output with powerful resonance sound.
3、当低音共振扬声器脱离振动介质接触面时音响仍然能输出全频段音乐效果。当低音共振扬声器脱离振动介质接触面时,低音共振扬声器无法发出振动低音了,此时全频扬声器仍然能发出完美的高音、中音、低音,同时被动振膜低音辐射盆能产生浑厚饱满的低音效果,刚好弥补全频扬声器的低音不足,全频扬声器和被动振膜低音辐射盆同时工作,仍然能输出全频段音乐效果。3. When the bass resonance speaker is out of the vibrating medium contact surface, the sound can still output the full-band music effect. When the bass resonance speaker is disconnected from the vibrating medium contact surface, the bass resonance speaker cannot emit the vibrating bass. At this time, the full-range speaker can still produce perfect high-pitched, mid-range, and low-pitched sounds, while the passive diaphragm subwoofer can produce a thick and full bass. The effect is just to make up for the lack of bass of the full-range speaker. The full-range speaker and the passive diaphragm bass-radiation basin work at the same time, and still output the full-band music effect.
附图说明DRAWINGS
图1为本实用新型实施例一的整体剖面图;Figure 1 is a cross-sectional view of the first embodiment of the present invention;
图2为本实用新型实施例二的整体剖面图;Figure 2 is a cross-sectional view of the second embodiment of the present invention;
图3为本实用新型的电路框图。Figure 3 is a block diagram of the circuit of the present invention.
图4为图3所示全频音和低音调节单元的电路框图。4 is a circuit block diagram of the full-range tone and bass adjustment unit shown in FIG.
具体实施方式detailed description
为了使本实用新型的目的、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。应当理解,此处所描述的具体实施例仅仅用以解释本实用新型,并不用于限定本实用新型。In order to make the objects, technical solutions and advantages of the present invention more comprehensible, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
以下结合具体实施例对本实用新型的实现进行详细描述:The implementation of the present invention is described in detail below in conjunction with specific embodiments:
实施例一:Embodiment 1:
本实用新型实施例一提出了一种具有全频输出及低音共振输出功能的多媒体音响,结合图1和图3所示,本实用新型的整体结构包括用于连接外部音源的音源模块401、电池供电和充电保护模块42、用于控制全频音和低音信号输出的全频音和低音调节单元40、用于将全频音信号以声音方式输出的全频扬声器(主动式音频驱动器)101、用于将低音信号以声音方式输出的低音共振扬声器(主动式音频驱动器)110、用于将箱体震荡气流以低音方式输出的一个被动振膜低音辐射盆(被动式音频驱动器)103等6个重要模块单元。其中,由全频扬声器101、低音共振扬声器110及被动振膜低音辐射盆103构成声音产生模块41。该全频扬声器101和低音共振扬声器110分别与全频音和低音调节单元40电连接。 Embodiment 1 of the present invention proposes a multimedia audio having a full-frequency output and a bass resonance output function. As shown in FIG. 1 and FIG. 3, the overall structure of the present invention includes a sound source module 401 for connecting an external sound source, and a battery. a power supply and charging protection module 42, a full-tone and bass adjustment unit 40 for controlling the full-tone and bass signal output, a full-range speaker (active audio driver) 101 for acoustically outputting the full-tone signal, A bass resonance speaker (active audio driver) 110 for outputting the bass signal in a sound manner, a passive diaphragm diaphragm (radiation audio driver) 103 for outputting the cabinet oscillating airflow in a bass mode, and the like Module unit. Among them, the sound generation module 41 is constituted by the full-range speaker 101, the bass resonance speaker 110, and the passive diaphragm bassizing basin 103. The full range speaker 101 and the bass resonance speaker 110 are electrically connected to the full tone and bass adjustment unit 40, respectively.
本发明实施例一的整体剖面图如图1所示,具体的包括:全频扬声器101、箱体上盖102、被动振膜低音辐射盆103、辐射盆支架104、箱体中盖105、可充电电池106、线路板组装件107、箱体下盖导气孔108、箱体下盖109,低音共振扬声器110、箱体底盖111、低音共振扬声器底座112、全频扬声器连接线113、低音共振扬声器连接线114。The overall cross-sectional view of the first embodiment of the present invention is as shown in FIG. 1 , and specifically includes: a full-range speaker 101, a box upper cover 102, a passive diaphragm bass radiation basin 103, a radiation basin bracket 104, a box middle cover 105, and The rechargeable battery 106, the circuit board assembly 107, the box lower cover air guiding hole 108, the box lower cover 109, the bass resonance speaker 110, the box bottom cover 111, the bass resonance speaker base 112, the full-range speaker connection line 113, and the bass resonance Speaker cable 114.
如图4所示的全频音和低音调节单元,包括音源模块401,音源模块401输出音频信号连接入给前置信号放大电路402,进而前置信号放大电路402输出信号电相连分别接入全频音输入电路403和低音输入电路404,然后全频音输入电路403输出全频音给全频音功率放大和输出电路405,低音输入电路404输出低音信号给低音功率放大和输出电路406;最后全频音功率放大和输出电路405输出功率信号直接驱动全频扬声器101,低音功率放大和输出电路406输出功率信号直接驱动低音共振扬声器110。The full-tone and bass adjustment unit shown in FIG. 4 includes a sound source module 401. The output audio signal of the sound source module 401 is connected to the pre-signal amplification circuit 402, and the output signals of the pre-signal amplification circuit 402 are electrically connected to each other. The tone input circuit 403 and the bass input circuit 404, then the full tone input circuit 403 outputs the full tone to the full tone power amplification and output circuit 405, and the bass input circuit 404 outputs the bass signal to the bass power amplification and output circuit 406; The full-tone power amplification and output circuit 405 outputs a power signal to directly drive the full-range speaker 101, and the bass power amplification and output circuit 406 outputs a power signal to directly drive the bass resonance speaker 110.
进一步的是,如图4所示,所述音源模块401包括:无线蓝牙音源、无线WiFi音源、U盘/TF卡音源、Aux In接口输入音源和其他类型的音源;进一步的,音源模块的内置无线蓝牙收发模块能接收用户的蓝牙设备发送的音频信号,音源模块的内置无线WiFi收发模块能接收用户的WiFi设备发送的音频信号;音源模块也能识别和播放U盘/TF卡等存储介质内的音频文件作为音源;音源模块的可以通过相关的Aux In接口输入音频信号; 也可根据客户需求定制其他特殊类型音源,优选的所述音源模块401包含着相应的音频输入接口如3.5mm音频母座、RCA输入口、USB输入口。Further, as shown in FIG. 4, the sound source module 401 includes: a wireless bluetooth sound source, a wireless WiFi sound source, a U disk/TF card sound source, and an Aux. The In interface inputs the sound source and other types of sound sources; further, the built-in wireless Bluetooth transceiver module of the sound source module can receive the audio signal sent by the user's Bluetooth device, and the built-in wireless WiFi transceiver module of the sound source module can receive the audio signal sent by the user's WiFi device. The sound source module can also recognize and play audio files in a storage medium such as a U disk/TF card as a sound source; the sound source module can pass the related Aux Input audio signal on the In interface; Other special types of sound sources can also be customized according to customer requirements. Preferably, the sound source module 401 includes corresponding audio input interfaces such as a 3.5 mm audio female socket, an RCA input port, and a USB input port.
进一步的是,如图4所示,所述全频音和低音调节单元还包括适配器或USB充电和保护模块409、可充电电池410、电源管理电路(升压/稳压)412;其中USB充电和保护模块409跟可充电电池410电相连,并对可充电电池充电和过流过压保护等;可充电电池410供电给电源管理电路(升压/稳压)412,电源管理电路(升压/稳压)412提供稳定的电压通过电连接分别供电给前置信号放大电路402、全频音功率放大和输出电路405和低音功率放大和输出电路406。优选的所述适配器或USB充电和保护模块409的电源输入接口是DC Plug插座、Micro USB接口以及Mini USB接口中的一种或几种的组合。Further, as shown in FIG. 4, the full-range tone and bass adjustment unit further includes an adapter or USB charging and protection module 409, a rechargeable battery 410, and a power management circuit (boost/regulation) 412; wherein the USB charging And the protection module 409 is electrically connected to the rechargeable battery 410, and charges the rechargeable battery, overcurrent and overvoltage protection, etc.; the rechargeable battery 410 supplies power to the power management circuit (boost/voltage regulation) 412, and the power management circuit (boost) The voltage regulator 412 provides a stable voltage to the preamplifier circuit 402, the full tone power amplification and output circuit 405, and the bass power amplification and output circuit 406, respectively, through electrical connections. Preferably, the power input interface of the adapter or USB charging and protection module 409 is DC A combination of one or more of a Plug socket, a Micro USB interface, and a Mini USB interface.
需要说明的是,如图1、4所述的全频发声单元为全频扬声器101并由螺丝固定在箱体上盖102,其与线路板组装件上的全频音功率放大和输出电路405通过全频扬声器连接线113电连接,输出全频高音、中音和低音全频段音效(完美输出高音和中音,低音效果略显不足),如图1、3所述的被动振膜低音辐射盆103固定在辐射盆支架104上,由全频扬声器101、箱体上盖102、被动振膜低音辐射盆103、辐射盆支架104和箱体中盖105通过螺丝固定和胶水粘合形成一个密封的被动振膜共振结构腔体,箱体下盖109开有导气孔108,被动振膜低音辐射盆103和箱体中盖105和下盖109由扣位和螺丝固定也形成带导气孔的腔体,被动振膜低音辐射盆103在密封的被动振膜共振结构腔体作用下通过上述带导气孔腔体的导气孔108导出震动气体从而输出强劲的低音,被动振膜低音辐射盆103能很好地弥补全频扬声器101的低音不足部分。It should be noted that the full-frequency sounding unit as shown in FIG. 1 and FIG. 4 is a full-range speaker 101 and is fixed by screws on the box upper cover 102, and the full-frequency sound power amplification and output circuit on the circuit board assembly. The 405 is electrically connected through the full-range speaker cable 113, and outputs full-range high-pitched, mid-range and bass full-range sound effects (perfect output of high and medium sounds, and the bass effect is slightly insufficient). Passive diaphragm bass as shown in Figures 1 and 3. The radiation basin 103 is fixed on the radiation basin bracket 104, and is formed by the full-range speaker 101, the box upper cover 102, the passive diaphragm bassizing basin 103, the radiation basin bracket 104 and the box middle cover 105 by screw fixing and glue bonding. The sealed passive diaphragm resonance structure cavity, the lower cover 109 of the box is provided with an air guiding hole 108, the passive diaphragm subwoofer 103 and the middle cover 105 and the lower cover 109 of the box are fixed by the buckle and the screw, and the air guiding hole is also formed. The cavity, the passive diaphragm bassizing basin 103 is guided by the sealed passive diaphragm resonance structure cavity to extract the vibrating gas through the air guiding hole 108 with the air guiding cavity, thereby outputting a strong bass, and the passive diaphragm bassizing basin 103 can Very good The under-basic portion of the full-range speaker 101 is complemented.
进一步的,其中的可充电电池106固定在线路板组装件107之上,线路板组装件由螺丝固定在箱体下盖109上。Further, the rechargeable battery 106 is fixed on the circuit board assembly 107, and the circuit board assembly is fixed to the case lower cover 109 by screws.
需要说明的是,如图1、4所述的箱体下盖109螺丝锁在箱体底盖111之上,低音共振扬声器110由相应螺丝锁在箱体下盖109的下方,箱体底盖111的扣位支撑和定位低音共振扬声器110主体,所述的低音共振扬声器110由螺纹旋紧在低音共振扬声器底座112,螺纹旋紧处点螺丝胶加固,又于底座112的底部装设有介质接触膜。低音共振扬声器110通过低音共振扬声器连接线114与低音功率放大和输出电路406相连,低音共振扬声器可将天然音频信号转化音频机械振动输出给与它接触的发音介质,使与低音共振扬声器接触的介质变成天然音响,输出的低音效果震撼有力。It should be noted that the box bottom cover 109 is screwed on the bottom cover 111 of the box body as shown in FIG. 1 and FIG. 4, and the bass resonance speaker 110 is locked under the box bottom cover 109 by the corresponding screw, and the bottom cover of the box body The buckle of the 111 supports and positions the main body of the bass resonance speaker 110. The bass resonance speaker 110 is screwed to the bass resonance speaker base 112, and the screw is reinforced by a screw, and the medium is installed at the bottom of the base 112. Contact film. The bass resonance speaker 110 is connected to the bass power amplification and output circuit 406 through a bass resonance speaker connection line 114, and the bass resonance speaker can convert the natural audio signal into an audio mechanical vibration output to the sound medium with which it is in contact, and the medium in contact with the bass resonance speaker. Turned into a natural sound, the output of the bass effect is powerful.
综上所述,本实用新型实施例一提出的多媒体音响,具有如下优点:In summary, the multimedia audio provided in the first embodiment of the present invention has the following advantages:
1、具有共振音响极具震撼力的低频共振输出的低音和超重低音效果,也能具有播放输出高音、中音和低音全频段音乐效果的功能。1. The bass and subwoofer effects of the low-frequency resonance output with powerful resonance sound, can also play the function of playing the high-frequency, mid-range and bass full-band music effects.
2、当低音共振扬声器脱离振动介质接触面时音响仍然能输出全频段音乐效果,当低音共振扬声器脱离振动介质接触面时,低音共振扬声器无法发出振动低音了,此时全频扬声器仍然能发出完美的高音、中音、低音,低音效果稍差,同时被动振膜低音辐射盆能产生浑厚饱满的低音效果,刚好弥补全频扬声器的低音不足,全频扬声器和被动振膜低音辐射盆同时工作,仍然能输出全频段音乐效果。2. When the bass resonance speaker is separated from the vibration medium contact surface, the sound can still output the full-band music effect. When the bass resonance speaker is separated from the vibration medium contact surface, the bass resonance speaker cannot emit the vibration bass, and the full-range speaker can still emit perfection. The treble, midrange, bass, and bass effects are slightly worse, while the passive diaphragm bass radiant basin can produce a rich and full bass effect, just to make up for the lack of bass of the full-range speaker, and the full-range speaker and the passive diaphragm bass radiant basin work simultaneously. Still able to output full-band music effects.
实施例二:Embodiment 2:
本实用新型实施例二提出了一种具有全频输出及低音共振输出功能的多媒体音响,如图1及图3所示,其包括音源模块401、电池供电和充电保护模块42、用于控制全频音和低音信号输出的全频音和低音调节单元40、用于将全频音信号以声音方式输出的全频扬声器(主动式音频驱动器)201、用于将低音信号以声音方式输出的低音共振扬声器(主动式音频驱动器)208、用于将箱体震荡气流以低音方式输出的两个被动振膜低音辐射盆(被动式音频驱动器)203等6个重要模块单元。其中,由全频扬声器201、低音共振扬声器208及被动振膜低音辐射盆203构成声音产生模块41。该全频扬声器201、低音共振扬声器208均与全频音和低音调节单元40电连接。The second embodiment of the present invention proposes a multimedia audio having a full-frequency output and a bass resonance output function, as shown in FIG. 1 and FIG. 3, which includes a sound source module 401, a battery power supply and a charging protection module 42 for controlling the whole Full-tone and bass adjustment unit 40 for tone and bass signal output, full-range speaker (active audio driver) 201 for sound-outputting full-range sound signals, and bass for sound output of bass signals A resonant speaker (active audio driver) 208, two passive module diaphragms (passive audio driver) 203 for outputting the box oscillating airflow in a bass mode, and six important modular units. Among them, the sound generation module 41 is constituted by the full-range speaker 201, the bass resonance speaker 208, and the passive diaphragm bassizing basin 203. The full-range speaker 201 and the bass resonance speaker 208 are all electrically connected to the full-range sound and bass adjustment unit 40.
本发明实施例二的整体剖面图如图2所示,具体的包括:全频扬声器201、箱体上盖202、两个被动振膜低音辐射盆203、箱体中盖204、可充电电池205、线路板组装件206、箱体下盖207,低音共振扬声器208、箱体底盖209、低音共振扬声器底座210、全频扬声器连接线212、低音共振扬声器连接线213。The overall cross-sectional view of the second embodiment of the present invention is as shown in FIG. 2, and specifically includes: a full-range speaker 201, a box upper cover 202, two passive diaphragm subwoofers 203, a box cover 204, and a rechargeable battery 205. The circuit board assembly 206, the box lower cover 207, the bass resonance speaker 208, the box bottom cover 209, the bass resonance speaker base 210, the full-range speaker connection line 212, and the bass resonance speaker connection line 213.
结合图2及图4所示的全频音和低音调节单元,包括音源模块401,音源模块401输出音频信号连接入给前置信号放大电路402,进而前置信号放大电路402输出信号电相连分别接入全频音输入电路403和低音输入电路404,然后全频音输入电路403输出全频音给全频音功率放大和输出电路405,低音输入电路404输出低音信号给低音功率放大和输出电路406;最后全频音功率放大和输出电路405输出功率信号直接驱动全频扬声器201,低音功率放大和输出电路406输出功率信号直接驱动低音共振扬声器210。In combination with the full-tone and bass adjustment unit shown in FIG. 2 and FIG. 4, the sound source module 401 is output, and the output audio signal of the sound source module 401 is connected to the pre-signal amplification circuit 402, and the output signals of the pre-signal amplification circuit 402 are electrically connected. The full-tone input circuit 403 and the bass input circuit 404 are connected, and then the full-tone input circuit 403 outputs the full-tone sound to the full-tone power amplification and output circuit 405, and the bass input circuit 404 outputs the bass signal to the bass power amplification and output circuit. 406; Finally, the full-tone power amplification and output circuit 405 outputs a power signal to directly drive the full-range speaker 201, and the bass power amplification and output circuit 406 outputs a power signal to directly drive the bass resonance speaker 210.
进一步的是,所述音源模块401如图4所示,其中包括:无线蓝牙音源、无线WiFi音源、U盘/TF卡音源、Aux In接口输入音源和其他类型的音源;进一步的,音源模块的内置无线蓝牙收发模块能接收用户的蓝牙设备发送的音频信号,音源模块的内置无线WiFi收发模块能接收用户的WiFi设备发送的音频信号;音源模块也能识别和播放U盘/TF卡等存储介质内的音频文件作为音源;音源模块的可以通过相关的Aux In接口输入音频信号; 也可根据客户需求定制其他特殊类型音源,优选的所述音源模块401的音频输入接口是3.5mm音频母座、RCA输入接口以及USB输入口的一种或几种的组合。Further, the sound source module 401 is as shown in FIG. 4, and includes: a wireless bluetooth sound source, a wireless WiFi sound source, a U disk/TF card sound source, and an Aux. The In interface inputs the sound source and other types of sound sources; further, the built-in wireless Bluetooth transceiver module of the sound source module can receive the audio signal sent by the user's Bluetooth device, and the built-in wireless WiFi transceiver module of the sound source module can receive the audio signal sent by the user's WiFi device. The sound source module can also recognize and play audio files in a storage medium such as a U disk/TF card as a sound source; the sound source module can pass the related Aux Input audio signal on the In interface; Other special types of sound sources can also be customized according to customer requirements. Preferably, the audio input interface of the sound source module 401 is a combination of one or more of a 3.5 mm audio female socket, an RCA input interface, and a USB input port.
进一步的是,所述如图4所示的全频音和低音调节单元,还包括适配器或USB充电和保护模块409、可充电电池410、电源管理电路(升压/稳压)412;其中USB充电和保护模块409跟可充电电池410电相连,并对可充电电池充电和过流过压保护等;可充电电池410供电给电源管理电路(升压/稳压)412,电源管理电路(升压/稳压)412提供稳定的电压通过电连接分别供电给前置信号放大电路402、全频音功率放大和输出电路405和低音功率放大和输出电路406。优选的所述适配器或USB充电和保护模块409的电源输入接口是DC Plug插座、Micro USB接口以及Mini USB接口中的一种或几种的组合。Further, the full-range and bass adjustment unit shown in FIG. 4 further includes an adapter or USB charging and protection module 409, a rechargeable battery 410, and a power management circuit (boost/voltage regulation) 412; The charging and protection module 409 is electrically connected to the rechargeable battery 410, and charges the rechargeable battery, overcurrent and overvoltage protection, etc.; the rechargeable battery 410 supplies power to the power management circuit (boost/regulation) 412, and the power management circuit (liter) The voltage/regulation 412 provides a stable voltage that is separately supplied to the pre-signal amplification circuit 402, the full-tone power amplification and output circuit 405, and the bass power amplification and output circuit 406 through electrical connections. Preferably, the power input interface of the adapter or USB charging and protection module 409 is DC A combination of one or more of a Plug socket, a Micro USB interface, and a Mini USB interface.
需要说明的是,结合图2及图4所示,全频扬声器201由螺丝固定在箱体上盖202,其与线路板组装件上的全频音功率放大和输出电路405通过全频扬声器连接线212电连接,输出全频高音、中音和低音全频段音效(完美输出高音和中音,低音效果略显不足),结合图2及图3所示,两个被动振膜低音辐射盆203均固定于箱体上盖202和箱体中盖204之间,由全频扬声器201、箱体上盖202、两个被动振膜低音辐射盆203、箱体中盖204通过螺丝固定和胶水粘合形成一个密封的双被动振膜共振结构腔体,两个被动振膜低音辐射盆203在密封的被动振膜共振结构腔体作用下输出强劲的低音,两个被动振膜低音辐射盆203能很好地弥补全频扬声器201的低音不足。It should be noted that, as shown in FIG. 2 and FIG. 4, the full-range speaker 201 is fixed to the box upper cover 202 by screws, and the full-tone power amplification and output circuit 405 on the circuit board assembly is connected through a full-range speaker. The line 212 is electrically connected, and outputs full-range high-pitched, mid-range and bass full-band sound effects (perfect output of high-pitched and mid-range sounds, and the bass effect is slightly insufficient). In combination with FIG. 2 and FIG. 3, two passive diaphragm subwoofers 203 Both are fixed between the upper cover 202 of the box and the middle cover 204 of the box, and are fixed by the full-range speaker 201, the upper cover 202 of the box, the two passive diaphragm bounce basins 203, and the middle cover 204 of the box by screws and glue. Forming a sealed double passive diaphragm resonance structure cavity, two passive diaphragm bassizing basins 203 output a strong bass under the action of a sealed passive diaphragm resonance structure cavity, and two passive diaphragm subwoofers 203 can The bass shortage of the full-range speaker 201 is well compensated.
进一步的,其中的可充电电池205固定在线路板组装件206之上,线路板组装件由螺丝固定在箱体下盖207上。Further, the rechargeable battery 205 is fixed on the circuit board assembly 206, and the circuit board assembly is fixed to the lower cover 207 by screws.
需要说明的是,结合图2及图4所示,箱体下盖207通过螺丝锁在箱体底盖209之上,低音共振扬声器208由相应螺丝锁在箱体下盖207的下方,箱体底盖209的扣位支撑和定位低音共振扬声器208,所述的低音共振扬声器208由螺纹旋紧在低音共振扬声器底座210,螺纹旋紧处点螺丝胶加固,又于底座210的底部装设有介质接触膜。低音共振扬声器208通过低音共振扬声器连接线213与低音功率放大和输出电路406相连,低音共振扬声器可将天然音频信号转化音频机械振动输出给与它接触的发音介质,使与低音共振扬声器接触的介质变成天然音响,输出的低音效果震撼有力。It should be noted that, as shown in FIG. 2 and FIG. 4, the lower cover 207 of the case is locked on the bottom cover 209 of the case by screws, and the bass resonance speaker 208 is locked under the lower cover 207 of the case by the corresponding screw. The buckle of the bottom cover 209 supports and positions the bass resonance speaker 208. The bass resonance speaker 208 is screwed to the bass resonance speaker base 210, and is screwed with a screw to be screwed at the bottom of the base 210. The medium contacts the film. The bass resonance speaker 208 is connected to the bass power amplification and output circuit 406 through the bass resonance speaker connection line 213, and the bass resonance speaker can convert the natural audio signal into an audio mechanical vibration output to the sounding medium in contact with it, and the medium in contact with the bass resonance speaker. Turned into a natural sound, the output of the bass effect is powerful.
综上所述,本新型实施例二提出的多媒体音响,具有如下优点:In summary, the multimedia audio proposed in the second embodiment of the present invention has the following advantages:
1、具有共振音响极具震撼力的低频共振输出的低音和超重低音效果,也能具有播放输出高音、中音和低音全频段音乐效果的功能;1. The bass and subwoofer effects of the low-frequency resonance output with powerful resonance sound, can also play the function of playing the high-frequency, mid-range and bass full-band music effects;
2、当低音共振扬声器脱离振动介质接触面时音响仍然能输出全频段音乐效果,当低音共振扬声器脱离振动介质接触面时,低音共振扬声器无法发出振动低音了,此时全频扬声器仍然能发出完美的高音、中音、低音,低音效果稍差,同时双被动振膜低音辐射盆能产生浑厚饱满的低音效果,刚好弥补全频扬声器的低音不足,全频扬声器和双被动振膜低音辐射盆同时工作,仍然能输出全频段音乐效果。2. When the bass resonance speaker is separated from the vibration medium contact surface, the sound can still output the full-band music effect. When the bass resonance speaker is separated from the vibration medium contact surface, the bass resonance speaker cannot emit the vibration bass, and the full-range speaker can still emit perfection. The treble, midrange, bass, and bass effects are slightly worse, and the double passive diaphragm bass radiant basin can produce a rich and full bass effect, just to make up for the lack of bass of the full-range speaker, the full-range speaker and the double passive diaphragm bass radiant basin simultaneously Work, still able to output full-band music effects.
本实用新型提出的是一种集共振技术和全频技术整合的新型多媒体音响,本实用新型提出的多媒体音箱及系统不仅适合户外运动/晨练/爬山/野餐聆听音乐,还适合当做家庭用/笔记本电脑音箱/小孩子学习音箱/胎教音箱/老人晨练音箱等;本实用新型不仅具有多种音频信号播放源,也具有完美的高、中、低音全频段音频外放效果,更具有极具震撼力的共振低音和重低音输出效果。The utility model provides a novel multimedia sound integrated with resonance technology and full frequency technology. The multimedia speaker and system proposed by the utility model are not only suitable for outdoor sports/morning/climbing/picnic listening music, but also suitable for household/notebook. Computer speakers / children learn speakers / prenatal education speakers / elderly morning exercise speakers, etc.; this utility model not only has a variety of audio signal playback sources, but also has a perfect high, medium and low frequency full-band audio external release effect, more powerful Resonant bass and subwoofer output effects.
本实用新型所述的新型多媒体音响,涵盖了目前市场上常见的,以及各种媒介、杂志上所宣传和在售的各种数码音箱、便携音箱、mini音箱、插卡音箱、多功能音箱,无线音箱等。The novel multimedia audio described in the utility model covers various digital speakers, portable speakers, mini speakers, card speakers, multi-function speakers which are commonly found on the market, and which are publicized and sold in various media and magazines. Wireless speakers, etc.
以上所述仅为本实用新型的较佳实施例而已,并不用以限制本实用新型,凡在本实用新型的精神和原则之内所作的任何修改、等同替换和改进等,均应包含在本实用新型的保护范围之内。The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the present invention. The scope of protection of utility models.

Claims (10)

  1. 一种具有全频输出及低音共振输出功能的多媒体音响,其特征在于,所述多媒体音响包括有由上至下依次设置的一箱体上盖、一箱体中盖、一箱体下盖、一箱体底盖及一低音共振扬声器底座,所述箱体中盖与箱体下盖固定连接,所述箱体下盖与箱体底盖固定连接,所述箱体上盖上设有一全频扬声器,所述箱体下盖上设有一线路板组装件及一可充电电池,所述箱体底盖上设有一低音共振扬声器,所述低音共振扬声器与低音共振扬声器底座固定连接,所述箱体中盖上设有至少一个被动振膜低音辐射盆,所述全频扬声器、箱体上盖、被动振膜低音辐射盆和箱体中盖形成一个密封的被动振膜共振结构腔体。 A multimedia audio system with full-frequency output and bass resonance output function, wherein the multimedia sound comprises a box upper cover, a box middle cover and a box bottom cover arranged in order from top to bottom. a box bottom cover and a bass resonance speaker base, the box middle cover is fixedly connected with the box bottom cover, the box bottom cover is fixedly connected with the box bottom cover, and the box upper cover is provided with a whole a speaker panel, a circuit board assembly member and a rechargeable battery are disposed on the lower cover of the box body, and a bass resonance speaker is disposed on the bottom cover of the box body, and the bass resonance speaker is fixedly connected to the bass resonance speaker base. At least one passive diaphragm subwoofer is disposed on the cover of the box, and the full-range speaker, the upper cover of the box, the passive diaphragm subwoofer and the cover of the box form a sealed passive diaphragm resonance structure cavity.
  2. 如权利要求1所述的多媒体音响,其特征在于,所述被动振膜低音辐射盆的数量是一个,其固定于一辐射盆支架上,所述辐射盆支架与箱体中盖固定连接。The multimedia sound according to claim 1, wherein the number of the passive diaphragm subwoofers is one, which is fixed to a radiation basin bracket, and the radiation basin bracket is fixedly connected to the cover of the casing.
  3. 如权利要求2所述的多媒体音响,其特征在于,所述被动振膜低音辐射盆、箱体中盖和箱体下盖形成腔体,所述箱体下盖开有导气孔。The multimedia sound according to claim 2, wherein the passive diaphragm subwoofer, the middle cover and the lower cover form a cavity, and the lower cover of the case is provided with an air guiding hole.
  4. 如权利要求1所属的多媒体音响,其特征在于,所述被动振膜低音辐射盆的数量是两个,二者均固定连接于箱体上盖与箱体中盖之间。The multimedia audio according to claim 1, wherein the number of the passive diaphragm subwoofers is two, and both are fixedly connected between the upper cover of the case and the cover of the case.
  5. 如权利要求1至4任一所述的多媒体音响,其特征在于,所述可充电电池固定于线路板组装件上,该线路板组装件通过螺丝而固定于箱体下盖。The multimedia audio according to any one of claims 1 to 4, wherein the rechargeable battery is fixed to the circuit board assembly, and the circuit board assembly is fixed to the lower cover of the case by screws.
  6. 如权利要求5所述的多媒体音响,其特征在于,所述箱体下盖与箱体底盖通过螺丝而固定连接,所述低音共振扬声器固定于箱体底盖的扣位之上且与箱体下盖通过螺丝而固定连接,所述低音共振扬声器螺纹连接于低音共振扬声器底座且二者的螺纹旋紧处通过螺丝胶加固。The multimedia audio device according to claim 5, wherein the lower cover of the case and the bottom cover of the case are fixedly connected by screws, and the bass resonance speaker is fixed on the buckle of the bottom cover of the case and the case The lower body cover is fixedly connected by a screw, and the bass resonance speaker is screwed to the bass resonance speaker base and the screwing of the two is reinforced by the screw glue.
  7. 如权利要求6所述的多媒体音响,其特征在于,所述线路板组装件包括有:The multimedia audio device of claim 6 wherein said circuit board assembly comprises:
    一音源模块,其用于连接外部音源;a sound source module for connecting an external sound source;
    一全频音和低音调节单元,其连接于音源模块的输出端,用于将全频音信号及低音信号处理后输出;a full-tone and bass adjustment unit connected to the output end of the sound source module for processing the full-tone signal and the bass signal and outputting the same;
    一声音产生模块,其包括全频扬声器和低音共振扬声器且二者分别连接于全频音和低音调节单元的输出端,二者分别用于将全频音信号和低音信号以声音方式输出,该声音产生模块还包括被动振膜低音辐射盆,其用于将震荡气流以低音方式输出;a sound generating module comprising a full-range speaker and a bass resonance speaker and respectively connected to the output ends of the full-tone and bass adjusting unit, respectively for respectively outputting the full-tone signal and the bass signal in an acoustic manner, The sound generating module further includes a passive diaphragm bassizing basin for outputting the oscillating airflow in a bass manner;
    一电池供电和充电保护模块,其用于为全频音和低音调节单元以及音源模块供电。A battery powered and charging protection module for powering the full tone and bass adjustment unit and the sound source module.
  8. 如权利要求7所述的多媒体音响,其特征在于,所述全频音和低音调节单元包括一前置信号放大电路、一全频音输入电路、一低音输入电路、一全频音功率放大和输出电路以及一低音功率放大和输出电路,所述音源模块输出的音频信号经过前置信号放大电路而分别输送至全频音输入电路和低音输入电路,所述全频音输入电路输出的全频音信号经过全频音功率放大和输出电路而输送至全频扬声器,所述低音输入电路输出的低音信号经过低音功率放大和输出电路而输送至低音共振扬声器。The multimedia audio according to claim 7, wherein said full-range sound and bass adjustment unit comprises a pre-signal amplification circuit, a full-tone input circuit, a bass input circuit, a full-tone power amplification and An output circuit and a bass power amplification and output circuit, wherein the audio signal output by the sound source module is respectively sent to a full-tone input circuit and a bass input circuit through a pre-signal amplification circuit, and the full-frequency audio input circuit outputs a full frequency The sound signal is sent to the full-range speaker through the full-tone power amplification and output circuit, and the bass signal outputted by the bass input circuit is sent to the bass resonance speaker through the bass power amplification and output circuit.
  9. 如权利要求8所述的多媒体音响,其特征在于,所述全频音和低音调节单元还包括依次连接的一适配器或USB充电和保护模块、一可充电电池以及一电源管理电路,所述电源管理电路用于为前置信号放大电路、全频音功率放大和输出电路以及低音功率放大和输出电路提供稳定的电压,所述适配器或USB充电和保护模块用于对可充电电池充电以及实现过流过压保护,该适配器或USB充电和保护模块的电源输入接口是DC Plug插座、Micro USB接口以及Mini USB接口中的一种或几种的组合。The multimedia audio according to claim 8, wherein said full-range sound and bass adjustment unit further comprises an adapter or USB charging and protection module, a rechargeable battery and a power management circuit, which are sequentially connected, said power supply The management circuit is used to provide a stable voltage for the pre-signal amplification circuit, the full-tone power amplification and output circuit, and the bass power amplification and output circuit for charging and recharging the rechargeable battery. Flow over voltage protection, the power input interface of the adapter or USB charging and protection module is DC A combination of one or more of a Plug socket, a Micro USB interface, and a Mini USB interface.
  10. 如权利要求9所述的多媒体音响,其特征在于,所述音源模块包括有:The multimedia audio device of claim 9, wherein the sound source module comprises:
    一无线蓝牙音源,其用于接收用户的蓝牙设备所发出的音频信号;a wireless Bluetooth sound source for receiving an audio signal emitted by a user's Bluetooth device;
    一无线WiFi音源,其用于接收用户的WiFi设备所发出的音频信号;a wireless WiFi audio source for receiving an audio signal emitted by a user's WiFi device;
    一U盘/TF卡音源,其用于识别和读取U盘或TF卡所存储的音频文件而转换为音频信号;a U disk/TF card source for identifying and reading an audio file stored by the U disk or the TF card and converting the audio file into an audio signal;
    一Aux In音源,其用于接收源于外部设备的音频信号;An Aux In sound source for receiving an audio signal originating from an external device;
    所述音源模块的音频输入接口是3.5mm音频母座、RCA输入接口以及USB输入口的一种或几种的组合。The audio input interface of the sound source module is a combination of one or more of a 3.5 mm audio base, an RCA input interface, and a USB input port.
PCT/CN2012/085242 2012-09-29 2012-11-26 Multimedia sound system with functions of full-frequency output and bass resonance output WO2014048021A1 (en)

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