WO2023010587A1 - 一种便携式五个发声单元组成的2.1声道立体声音响 - Google Patents

一种便携式五个发声单元组成的2.1声道立体声音响 Download PDF

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WO2023010587A1
WO2023010587A1 PCT/CN2021/111399 CN2021111399W WO2023010587A1 WO 2023010587 A1 WO2023010587 A1 WO 2023010587A1 CN 2021111399 W CN2021111399 W CN 2021111399W WO 2023010587 A1 WO2023010587 A1 WO 2023010587A1
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portable
sound
channel
box
speaker
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朱彪
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朱彪
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/02—Spatial or constructional arrangements of loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R5/00—Stereophonic arrangements
    • H04R5/04—Circuit arrangements, e.g. for selective connection of amplifier inputs/outputs to loudspeakers, for loudspeaker detection, or for adaptation of settings to personal preferences or hearing impairments

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  • the utility model relates to a portable audio system, in particular to a portable 2.1-channel stereophonic system composed of five sounding units.
  • the single outdoor speaker is either made of a two-way frequency combination of a mid-bass sound unit + a treble sound unit, or a three-way combination of a mid-bass sound unit + a mid-range sound unit + a treble sound unit.
  • the portable single sound box does not realize the stereo effect.
  • the utility model designs a portable 2.1-channel stereophonic sound composed of five sounding units, and the technical problem it solves is that the portable single sound box in the prior art does not realize the stereophonic effect.
  • the utility model adopts the following scheme:
  • a portable 2.1-channel stereophonic sound composed of five sounding units is characterized in that: it includes a portable box body, and a left sealed small box body and a right sealed small box body are respectively arranged on the left and right sides of the portable box body.
  • the left sealed small box is provided with a left treble speaker and a left channel speaker from top to bottom
  • the right sealed small box is provided with a right tweeter and a right channel speaker from top to bottom
  • the left sealed small box and the right sealed There is a subwoofer speaker between the small boxes, and the sound of the three boxes is on the same plane and has its own independent sounding space, so that the sound airflow of the three boxes does not interfere with each other.
  • it also includes a stepped partition, which isolates the portable box into a sounding space and a power amplifier board placement space, the sound generation space is used by the subwoofer, and the power amplifier board is placed in the space Amplifier board.
  • a stepped partition which isolates the portable box into a sounding space and a power amplifier board placement space, the sound generation space is used by the subwoofer, and the power amplifier board is placed in the space Amplifier board.
  • the portable box is provided with a first sound guide hole and a second sound guide hole, and the first sound guide hole and the second sound guide hole communicate with the sound emitting space.
  • the stepped partition includes two horizontal plates and a vertical plate, one side of the vertical plate is connected to the top of the portable box through a horizontal plate, and the other side of the vertical plate is connected to the top of the portable box through another horizontal plate. The back of the portable box is connected.
  • a battery is provided in the sound emitting space.
  • a telescopic rod is provided on the top of the portable case, and a pulley is provided at the bottom of the portable case.
  • DSP audio processor also comprise DSP audio processor, the input end of described DSP audio processor is connected with battery, signal amplifier and AUX audio frequency input interface respectively, and the input end of described signal amplifier is respectively wireless microphone interface, wired microphone interface and musical instrument One or more of the interfaces; the output of the DSP audio processor is connected to two power amplifiers through electronic frequency division + preamplifier, one power amplifier is connected to the subwoofer speaker, and the other power amplifier outputs are respectively The left channel and the right channel, the left channel is connected with the left tweeter and the left channel speaker, and the right channel is connected with the right tweeter and the right channel speaker.
  • the input end of the DSP audio processor is also connected to one or more of TF memory card, USB, infrared receiver and tuning control key.
  • the DSP audio processor is provided with Bluetooth, and the DSP audio processor is connected to the Bluetooth headset through a headphone amplifier.
  • the input end of the DSP audio processor is provided with a live port, and the live port is connected to the headphone amplifier.
  • the 2.1-channel stereo sound composed of five portable sounding units has the following beneficial effects:
  • the utility model is provided with a left sealed small box and a right sealed small box in the portable box, and different speakers are arranged in different boxes, so that the sounding airflow of the five speakers in the three boxes does not interfere with each other.
  • the utility model decompresses the left and right channel audio signals from the audio decoding chip through the electronic frequency division circuit to separate the subwoofer signal and the left and right channel signals, and then amplifies and drives a subwoofer from two different power amplifier channels
  • the sounding unit and the stereo sounding unit combined with two midranges and two tweeters can realize the stereo effect.
  • Fig. 1 The three-dimensional structural diagram of the 2.1-channel stereophonic sound composed of five portable sounding units of the utility model;
  • Figure 2 A schematic diagram of the internal space of the portable 2.1-channel stereophonic sound composed of five sounding units of the utility model
  • Figure 3 Side view of Figure 2;
  • Figure 4 Rear view of Figure 2
  • Figure 5 A schematic diagram of the connection of the 2.1-channel stereophonic circuit composed of five portable sounding units of the utility model.
  • 1 portable box
  • 11 left sealed small box
  • 12 right sealed small box
  • 13 step partition
  • 14 sounding space
  • 15 space for power amplifier board
  • 21 subwoofer
  • 22 left tweeter Speaker
  • 23 right treble speaker
  • 24 left channel speaker
  • 25 right channel speaker
  • 31 first sound guide hole
  • 32 second sound guide hole
  • 4 battery.
  • a portable 2.1-channel stereophonic sound system composed of five sounding units includes a portable box body 1, and a left sealed small box body 11 and a right sealed box body 11 are respectively arranged on the left and right sides of the portable box body 1.
  • Small box 12 left sealed small box 11 is provided with left treble speaker 22 and left channel speaker 24 from top to bottom, and right sealed small box 12 is provided with right tweeter 23 and right channel speaker 25 from top to bottom
  • a subwoofer 21 is arranged between the left sealed small box 11 and the right sealed small box 12, and the sound of the three boxes is on the same plane and has its own independent sounding space, so that the sound airflow of the three boxes does not interfere with each other .
  • step partition 13 isolates portable box body 1 into sounding space 14 and power amplifier board placement space 15, sound generation space 14 is used for subwoofer speaker 21, and power amplifier board is placed in the power amplifier board placement space 15.
  • the portable box body 1 is provided with a first sound guide hole 31 and a second sound guide hole 32 , and the first sound guide hole 31 and the second sound guide hole 32 communicate with the sound emitting space 14 .
  • the step partition 13 includes two horizontal plates and a vertical plate, one side of the vertical plate is connected with the top of the portable case 1 through a horizontal plate, and the other side of the vertical plate is connected with the back of the portable case 1 through another horizontal plate.
  • a battery 4 is provided in the sound emitting space 14 .
  • the top of the portable box body 1 is provided with a telescopic pull rod, and the bottom of the portable box body 1 is provided with a pulley.
  • the DSP audio processor also includes a DSP audio processor.
  • the input terminals of the DSP audio processor are respectively connected to the battery, the signal amplifier and the AUX audio input interface.
  • the input terminals of the signal amplifier are respectively a wireless microphone interface, a wired microphone interface and an instrument interface.
  • the output end of the DSP audio processor is connected with two power amplifiers through electronic frequency division + preamplifier, one power amplifier is connected with the subwoofer speaker 21, and the output of the other power amplifier is respectively left channel and The right channel, the left channel is connected with the left tweeter speaker 22 and the left channel speaker 24, and the right channel is connected with the right tweeter speaker 23 and the right channel speaker 25.
  • the input end of the DSP audio processor is also connected with one or more of the TF memory card, USB, infrared receiver and tuning control key.
  • the DSP audio processor is provided with bluetooth, and the DSP audio processor is connected with the bluetooth earphone through the headphone amplifier.
  • the input end of the DSP audio processor is provided with a live port, and the live port is connected with the headphone amplifier.
  • the utility model has been exemplarily described above in conjunction with the accompanying drawings. Obviously, the realization of the utility model is not limited by the above-mentioned method, as long as various improvements of the method concept and technical solutions of the utility model are adopted, or the utility model is not improved. Directly applying the conception and technical solutions of the utility model to other occasions is within the protection scope of the utility model.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Stereophonic Arrangements (AREA)

Abstract

本实用新型涉及一种便携式五个发声单元组成的2.1声道立体声音响，其特征在于：包括便携箱体(1)，在所述便携箱体(1)的左右两侧分别设置左密封小箱体(11)和右密封小箱体(12)，所述左密封小箱体(11)从上至下设有左高音音箱(22)和左声道音箱(24)，所述右密封小箱体(12)从上至下设有右高音音箱(23)和右声道音箱(25)，左密封小箱体(11)和右密封小箱体(12)之间设有超低音音箱(21)，三个箱体发声在同一平面并且具有各自独立的发声空间，从而实现三个箱体发声气流不相互干扰。

Description

一种便携式五个发声单元组成的2.1声道立体声音响 技术领域
本实用新型涉及一种便携式音响，尤其是涉及一种便携式五个发声单元组成的2.1声道立体声音响。
背景技术
目前2.1声道的超重低音音箱只存在与3个独立箱体。单体的户外音箱要么做的是中低音发声单元+高音发声单元两分频组合，要么是中低音发声单元+中音发声单元+高音发声单元三分频组合。
现有技术中便携单体音箱都没有实现立体声效果。
实用新型内容
本实用新型设计了一种便携式五个发声单元组成的2.1声道立体声音响，其解决的技术问题是现有技术中便携单体音箱都没有实现立体声效果。
为了解决上述存在的技术问题，本实用新型采用了以下方案：
一种便携式五个发声单元组成的2.1声道立体声音响，其特征在于：包括便携箱体，在所述便携箱体的左右两侧分别设置左密封小箱体和右密封小箱体，所述左密封小箱体从上至下设有左高音音箱和左声道音箱，所述右密封小箱体从上至下设有右高音音箱和右声道音箱，左密封小箱体和右密封小箱体之间设有超低音音箱，三个箱体发声在同一平面并且具有各自独立的发声空间，从而实现三个箱体发声气流不相互干扰。
优选地，还包括阶梯隔板，所述阶梯隔板将所述便携箱体隔离成发声空间和功放板放置空间，所述发声空间供所述超低音音箱使用，所述功放板放置空间中放置功放板。
优选地，所述便携箱体开设有第一导音孔和第二导音孔，所述第一导音孔和所述第二导音孔与所述发声空间相通。
优选地，所述阶梯隔板包括两个水平板和一垂直板，所述垂直板一侧通过一个水平板与所述便携箱体顶部连接，所述垂直板另一侧通过另一个水平板与所述便携箱体背部连接。
优选地，所述发声空间中设有电池。
优选地，所述便携箱体顶部设有伸缩拉杆，所述便携箱体底部设有滑轮。
优选地，还包括DSP音频处理器，所述DSP音频处理器的输入端分别与电池、信号放大器以及AUX音频输入接口连接，所述信号放大器的输入端分别为无线话筒接口、有线话筒接口和乐器接口中的一个或多个；所述DSP音频处理器的输出端通过电子分频+前置放大器与两个功率放大器连接，一个功率放大器与所述超低音音箱连接，另一个功率放大器输出分别为左声道和右声道，左声道与左高音音箱和左声道音箱连接，右声道与右高音音箱和右声道音箱连接。
优选地，所述DSP音频处理器的输入端还与TF储存卡、USB、红外接收头和调音控制键中的一个或多个连接。
优选地，所述DSP音频处理器设有蓝牙，所述DSP音频处理器通过耳机放大器与蓝牙耳机接。
优选地，所述DSP音频处理器的输入端设有直播口，所述直播口与所述耳机放大器连接。
该便携式五个发声单元组成的2.1声道立体声音响具有以下有益效果：
(1)本实用新型在便携箱体中设置左密封小箱体和右密封小箱体，在不同的箱体设置不同的音箱，从而实现三个箱体中五个音箱发声气流不相互干扰。
(2)本实用新型从音频解码芯片解压出来的左右声道的音频信号通过电子分频电路分出超重低音信号与左右两个声道信号，然后从不 同的2个功放通道放大驱动一个超重低音发声单元和两个中音+两个高音组合的立体声发声单元，实现立体声效果。
附图说明
图1：本实用新型便携式五个发声单元组成的2.1声道立体声音响立体结构示意图；
图2：本实用新型便携式五个发声单元组成的2.1声道立体声音响内部空间示意图；
图3：图2的侧视图；
图4：图2的后视图；
图5：本实用新型便携式五个发声单元组成的2.1声道立体声音响电路连接示意图。
附图标记说明：
1—便携箱体；11—左密封小箱体；12—右密封小箱体；13—阶梯隔板；14—发声空间；15—功放板放置空间；21—超低音音箱；22—左高音音箱；23—右高音音箱；24—左声道音箱；25—右声道音箱；31—第一导音孔；32—第二导音孔；4—电池。
具体实施方式
下面结合图1至图5，对本实用新型做进一步说明：
如图1和图2所示，一种便携式五个发声单元组成的2.1声道立体声音响，包括便携箱体1，在便携箱体1的左右两侧分别设置左密封小箱体11和右密封小箱体12，左密封小箱体11从上至下设有左高音音箱22和左声道音箱24，右密封小箱体12从上至下设有右高音音箱23和右声道音箱25，左密封小箱体11和右密封小箱体12之间设有超低音音箱21，三个箱体发声在同一平面并且具有各自独立的发声空间，从而实现三个箱体发声气流不相互干扰。
还包括阶梯隔板13，阶梯隔板13将便携箱体1隔离成发声空间14和功放板放置空间15，发声空间14供超低音音箱21使用，功放板放置空间15中放置功放板。
如图3所示，便携箱体1开设有第一导音孔31和第二导音孔32，第一导音孔31和第二导音孔32与发声空间14相通。阶梯隔板13包括两个水平板和一垂直板，垂直板一侧通过一个水平板与便携箱体1顶部连接，垂直板另一侧通过另一个水平板与便携箱体1背部连接。
如图4所示，发声空间14中设有电池4。便携箱体1顶部设有伸缩拉杆，便携箱体1底部设有滑轮。
如图5所示，还包括DSP音频处理器，DSP音频处理器的输入端分别与电池、信号放大器以及AUX音频输入接口连接，信号放大器的输入端分别为无线话筒接口、有线话筒接口和乐器接口中的一个或多个；DSP音频处理器的输出端通过电子分频+前置放大器与两个功率放大器连接，一个功率放大器与超低音音箱21连接，另一个功率放大器输出分别为左声道和右声道，左声道与左高音音箱22和左声道音箱24连接，右声道与右高音音箱23和右声道音箱25连接。
DSP音频处理器的输入端还与TF储存卡、USB、红外接收头和调音控制键中的一个或多个连接。DSP音频处理器设有蓝牙，DSP音频处理器通过耳机放大器与蓝牙耳机连接。DSP音频处理器的输入端设有直播口，直播口与耳机放大器连接。
上面结合附图对本实用新型进行了示例性的描述，显然本实用新型的实现并不受上述方式的限制，只要采用了本实用新型的方法构思和技术方案进行的各种改进，或未经改进将本实用新型的构思和技术方案直接应用于其它场合的，均在本实用新型的保护范围内。

Claims (10)

  1. 一种便携式五个发声单元组成的2.1声道立体声音响，其特征在于：包括便携箱体(1)，在所述便携箱体(1)的左右两侧分别设置左密封小箱体(11)和右密封小箱体(12)，所述左密封小箱体(11)从上至下设有左高音音箱(22)和左声道音箱(24)，所述右密封小箱体(12)从上至下设有右高音音箱(23)和右声道音箱(25)，左密封小箱体(11)和右密封小箱体(12)之间设有超低音音箱(21)，三个箱体发声在同一平面并且具有各自独立的发声空间，从而实现三个箱体发声气流不相互干扰。
  2. 根据权利要求1所述的便携式五个发声单元组成的2.1声道立体声音响，其特征在于：还包括阶梯隔板(13)，所述阶梯隔板(13)将所述便携箱体(1)隔离成发声空间(14)和功放板放置空间(15)，所述发声空间(14)供所述超低音音箱(21)使用，所述功放板放置空间(15)中放置功放板。
  3. 根据权利要求2所述的便携式五个发声单元组成的2.1声道立体声音响，其特征在于：所述便携箱体(1)开设有第一导音孔(31)和第二导音孔(32)，所述第一导音孔(31)和所述第二导音孔(32)与所述发声空间(14)相通。
  4. 根据权利要求2或3所述的便携式五个发声单元组成的2.1声道立体声音响，其特征在于：所述阶梯隔板(13)包括两个水平板和一垂直板，所述垂直板一侧通过一个水平板与所述便携箱体(1)顶部连接，所述垂直板另一侧通过另一个水平板与所述便携箱体(1)背部连接。
  5. 根据权利要求4所述的便携式五个发声单元组成的2.1声道立体声音响，其特征在于：所述发声空间(14)中设有电池(4)。
  6. 根据权利要求5所述的便携式五个发声单元组成的2.1声道立体声音响，其特征在于：所述便携箱体(1)顶部设有伸缩拉杆，所述便携箱体(1)底部设有滑轮。
  7. 根据权利要求6所述的便携式五个发声单元组成的2.1声道立体声音响，其特征在于：还包括DSP音频处理器，所述DSP音频处理器的输入端分别与电池、信号放大器以及AUX音频输入接口连接，所述信号放大器的输入端分别为无线话筒接口、有线话筒接口和乐器接口中的一个或多个；所述DSP音频处理器的输出端通过电子分频+前置放大器与两个功率放大器连接，一个功率放大器与所述超低音音箱(21)连接，另一个功率放大器输出分别为左声道和右声道，左声道与左高音音箱(22)和左声道音箱(24)连接，右声道与右高音音箱(23)和右声道音箱(25)连接。
  8. 根据权利要求7所述的便携式五个发声单元组成的2.1声道立体声音响，其特征在于：所述DSP音频处理器的输入端还与TF储存卡、USB、红外接收头和调音控制键中的一个或多个连接。
  9. 根据权利要求8所述的便携式五个发声单元组成的2.1声道立体声音响，其特征在于：所述DSP音频处理器设有蓝牙，所述DSP音频处理器通过耳机放大器与蓝牙耳机连接。
  10. 根据权利要求9所述的便携式五个发声单元组成的2.1声道立体声音响，其特征在于：所述DSP音频处理器的输入端设有直播口，所述直播口与所述耳机放大器连接。
PCT/CN2021/111399 2021-08-06 2021-08-09 一种便携式五个发声单元组成的2.1声道立体声音响 WO2023010587A1 (zh)

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