WO2015100679A1 - 一种微型音响 - Google Patents

一种微型音响 Download PDF

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Publication number
WO2015100679A1
WO2015100679A1 PCT/CN2013/091247 CN2013091247W WO2015100679A1 WO 2015100679 A1 WO2015100679 A1 WO 2015100679A1 CN 2013091247 W CN2013091247 W CN 2013091247W WO 2015100679 A1 WO2015100679 A1 WO 2015100679A1
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WO
WIPO (PCT)
Prior art keywords
micro
headphone
opening
speaker
circuit board
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Application number
PCT/CN2013/091247
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English (en)
French (fr)
Inventor
刘骏涛
Original Assignee
刘骏涛
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Publication date
Application filed by 刘骏涛 filed Critical 刘骏涛
Publication of WO2015100679A1 publication Critical patent/WO2015100679A1/zh

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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
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/023—Screens for loudspeakers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2420/00—Details of connection covered by H04R, not provided for in its groups
    • H04R2420/09—Applications of special connectors, e.g. USB, XLR, in loudspeakers, microphones or headphones

Definitions

  • the present invention relates to the field of audio and, more particularly, to a miniature sound system. ⁇ Background technique ⁇
  • a micro-sound including a housing, a speaker fixed in the housing, a circuit board and a battery for supplying power to the micro-sound;
  • the housing includes an upper case, a middle case and a lower case, and the horn is fixed by screws a middle annular shell, wherein the middle shell is provided with a first annular protrusion of the ring, and the inner wall of the upper shell is provided with a closed jaw which is sleeved on the first annular protrusion, and the closed jaw seals the rod eight in the miniature
  • a closed front sound chamber is formed in the sound, and a rear sound chamber is formed between the lower shell and the middle shell, and the front sound chamber and the rear sound chamber cooperate to effectively improve the resonance effect of the subwoofer of the speaker to improve the sound quality of the micro sound.
  • the circuit board includes a main circuit board provided with a headphone jack, a USB charging interface, an audio interface, a TF interface, and a circuit board for adjusting the main circuit board, the button circuit board is fixed in the middle case, and the micro audio includes Controlling a button of the button circuit board, wherein the middle shell is provided with a button avoiding hole; the main circuit board is fixed in the lower shell, and the earphone socket, the USB charging interface, the audio interface, and the TF interface are respectively disposed in the lower shell Fitted with headphone jack, USB escaping hole, audio input hole and TF jack.
  • This program is not public. When the user is using the micro-sound, most of them are used to insert the earphone. Frequent insertion and removal of the earphone may cause damage to the earphone socket.
  • the technical problem to be solved by the present invention is to provide a miniature sound with a headphone jack protection device.
  • a micro-sound comprising a main circuit board provided with a headphone jack and a lower case fixing the main circuit board, the lower case being provided with the earphone jack
  • the inner side of the lower case is provided with an annular protrusion for ringing the earphone jack, and the outer side of the lower case is provided with an earphone limiting platform for ringing the earphone jack.
  • the earphone jack is located at one end of the main circuit board, and the lower shell gradually faces from the bottom
  • the protrusion terminates at the end, and the outside of the lower case is provided with a recess corresponding to the earphone, and the recess terminates at the earphone limiting platform. Set the recess to protect the headphones.
  • the bottom of the lower case is provided with a recessed placement platform adapted to the earphone jack. This will better fix the main board.
  • the main circuit board is further provided with an indicator light for displaying the working state of the micro-sound, and the lower shell is provided with a light hole. Setting the indicator light allows you to judge the on and off of the micro audio by observing the indicator light.
  • the indicator light is opposite to the earphone jack, and the light hole is located above the earphone jack. This is the specific setting of the indicator light.
  • the indicator light is an LED lamp, including a lamp post and a metal portion welded to the main circuit board; and two annular indicator limiting protrusions are arranged above the annular protrusion, the metal There are bends on the part. This will better limit the indicator light.
  • the micro-audio further includes a middle case fixed with a horn, and one end of the middle case is provided with a first opening for avoiding the indicator limiting protrusion.
  • the middle casing is provided with a sound hole
  • the micro sound further includes a speaker net covering the sound hole
  • the other end of the middle shell is provided with a long second opening
  • the speaker The edge of the net is provided with an inward fold
  • the two ends of the net are respectively provided with a third opening and a fourth opening which cooperate with the first opening and the second opening. This can better fix the speaker net.
  • the fold width is the same as the width of the middle shell edge, and the inner side of the fold is provided with a protruding horn fixing foot. This is also to better fix the speaker network.
  • the middle casing is further provided with a foam fixed with glue on the first opening and a baffle located in front of the second opening. This prevents dust from entering the inside of the casing from the first opening and the second opening.
  • the invention has an annular protrusion adapted to the earphone socket on the inner side of the lower case, which can prevent the deformation of the earphone socket from being used for a long time; an earphone limit platform for limiting the insertion distance of the earphone is arranged outside the lower case, when the earphone is After the metal part is inserted completely, the earphone cannot be inserted continuously to avoid damage to the earphone socket caused by excessive force.
  • FIG. 1 is a schematic exploded view of a miniature acoustic system according to an embodiment of the present invention
  • FIG. 2 is a schematic view showing the inside of a lower case according to an embodiment of the present invention.
  • Figure 3 is a schematic external view of the lower case of the embodiment of the present invention.
  • FIG. 4 is a schematic view of a middle case of an embodiment of the present invention.
  • FIG. 5 is a schematic diagram of a Laban network according to an embodiment of the present invention.
  • a micro-sound comprising a main circuit board provided with a headphone jack and a lower case fixing the main circuit board, wherein the lower case is provided with a headphone jack matched with the earphone jack, and the inner side of the lower case is arranged There is an annular protrusion that surrounds the earphone jack, and an earphone limiting platform that surrounds the earphone jack is disposed outside the lower case.
  • the invention has an annular protrusion adapted to the earphone socket on the inner side of the lower case, which can prevent the deformation of the earphone socket from being used for a long time; an earphone limit platform for limiting the insertion distance of the earphone is arranged outside the lower case, when the earphone is After the metal part is inserted completely, the earphone cannot be inserted continuously to avoid damage to the earphone socket caused by excessive force.
  • the micro-sound includes a housing, a speaker 4 fixed in the housing, a circuit board, and a battery 6 for supplying power to the micro-sound;
  • the housing includes an upper case 1, a middle case 2, and a lower case 3,
  • the horn 4 is fixed on the middle shell 2 by screws, and the middle shell 2 is provided with a first annular protrusion which surrounds the horn, and the inner wall of the upper shell 1 is provided with a sleeve which is sleeved on the first annular protrusion ⁇ , closed ⁇ will seal the eight in the micro audio
  • a closed front sound chamber is formed inside, and a rear sound chamber is formed between the lower shell and the middle shell, and the front sound chamber and the rear sound chamber cooperate to effectively improve the resonance effect of the subwoofer of the Ra 8 4, thereby improving the sound quality of the micro sound.
  • the circuit board includes a main circuit board 7 provided with a main switch for controlling micro audio on and off, a TF interface, a USB charging interface, an audio input port, a headphone interface and a radio antenna, and a button circuit board for adjusting the main circuit board 7; 8 is fixed on the middle casing 2, and the micro-audio further includes a button 9 for operating the button circuit board 8 and an integral setting, and a button avoiding position is set on the middle casing 2.
  • the main circuit board 7 is fixed in the lower casing 3 by screws.
  • the lower casing 3 is provided with a switch avoidance hole corresponding to the main switch, the TF interface, the USB charging interface, the audio input port and the earphone interface, the TF avoiding hole, and the USB.
  • the escape hole, the audio input hole, and the headphone jack 31 The inner side of the lower case is provided with an annular protrusion 32 adapted to the earphone jack, which can prevent the deformation of the earphone socket from being used for a long time; on the outer side of the lower case 3, an earphone limit platform 34 for limiting the insertion distance of the earphone is provided, when the earphone is After the metal part is inserted completely, the earphone cannot be inserted continuously to avoid damage to the earphone socket caused by excessive force.
  • the earphone jack is located at one end of the main circuit board, and the lower case 3 is gradually convex outward from the bottom to terminate at the end, and the outer side of the lower case is provided with a recess corresponding to the earphone, and the recess terminates at the earphone limiting platform 34. Set the recess to protect the headphones.
  • the main circuit board is further provided with an indicator light corresponding to the earphone jack, and a light hole 35 is arranged above the earphone jack 31, and the micro sound is turned on and off by observing the indicator light.
  • the indicator light is an LED lamp, including a lamp post and a metal portion welded to the main circuit board; two annular indicator projections 33 are arranged above the annular protrusion 32, and the metal portion is provided with a bending convenience.
  • the middle shell 2 is provided with a sound hole 24, and the micro sound further includes a speaker net 5 covering the sound hole 24, and one end of the middle shell is provided with a first opening 21 for avoiding the indicator light limiting protrusion, in order to better fix the horn
  • the mesh 5 is provided with a long second opening 22 at the other end of the middle casing; the horn mesh 5 is provided with a third opening 54 and a fourth opening 51 which cooperate with the first opening 21 and the second opening 22.
  • the edge of the speaker net 5 is provided with an inward fold 53 which has the same width as the edge of the middle case 2, and the inner side of the fold 53 is provided with a protruding horn fixing leg 52 for better fixing the horn net 5.
  • the middle casing 2 is further provided with a foam fixed to the first opening 21 with glue and a baffle 23 located in front of the second opening 22.
  • the battery 6 is vertically disposed between the button circuit board and the slave eight.

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Headphones And Earphones (AREA)

Abstract

本发明公开种微型音响，包括设置有耳机插口的主电路板和固定所述主电路板的下壳，所述下壳上设置有与所述耳机插口相配合的耳机插孔，所述下壳内侧设置有环所述耳机插孔的环状凸起，所述下壳外侧设置有环所述耳机插孔的耳机限位平台。本发明由于在下壳内侧设置了与耳机插口相适应的环状凸起，可以防止出现因长久使用耳机插口变形的情况出现；在下壳外侧设置了限制耳机插入距离的耳机限位平台，当耳机的金属部插入完全之后，耳机就不可以继续插入了，避免因用力过大造成的耳机插口的损坏。

Description

一种微型音响
【技术领域】
本发明涉及音响领域， 更具体的说， 涉及一种微型音响。 【背景技术】
本人已设计一种微型音响， 包括壳体、 固定在壳体内的喇叭、 电路板和为 微型音响提供电源的电池； 所述的壳体包括上壳、 中壳与下壳， 喇叭用螺丝固 定在中壳上， 中壳上设置有环所述喇八的第一环状凸起， 上壳内壁设置有套在 所述第一环状凸起上的封闭圏， 封闭圏将喇八密封在微型音响内形成封闭的前 音腔， 而下壳与中壳之间形成后音腔， 前音腔与后音腔配合， 有效的改善喇叭 的重低音的共振效果从而提高微型音响的音质。 所述电路板包括设置有耳机插 口、 USB充电接口、 音频接口、 TF接口的主电路板和调节所述主电路板按键电 路板， 所述按键电路板固定在中壳内， 微型音响包括用来控制按键电路板的按 键， 所述中壳上设置有按键避让孔； 所述主电路板固定在下壳内， 在下壳内分 别设置有与所述耳机插口、 USB充电接口、 音频接口、 TF接口相配合的耳机插 孔、 USB避让孔、 音频输入孔及 TF插孔。 此方案未公开。 当使用者在使用微型 音响时大部分习惯插入耳机， 频繁的插拔耳机可能会造成耳机插口的损坏。
【发明内容】
本发明所要解决的技术问题是提供一种带有耳机插口保护装置的微型音 响。
本发明的目的是通过以下技术方案来实现的： 一种微型音响， 包括设置有 耳机插口的主电路板和固定所述主电路板的下壳， 所述下壳上设置有与所述耳 机插口相配合的耳机插孔， 所述下壳内侧设置有环所述耳机插孔的环状凸起， 所述下壳外侧设置有环所述耳机插孔的耳机限位平台。
优选的， 所述耳机插口位于所述主电路板的一端， 所述下壳从底部逐渐向 外凸终止于端部， 所述下壳外侧设置有与耳机相适应的凹陷， 所述凹陷终止于 所述耳机限位平台。 设置凹陷可以保护耳机。
优选的， 所述下壳底部设置有下凹的与所述耳机插口相适应的放置平台。 这样可以更好的固定主电路板。
优选的， 所述主电路板上还设置有用来显示微型音响工作状态的指示灯， 所述下壳上设置有灯孔。 设置指示灯可以通过观察指示灯来判断微型音响的开 和关。
优选的， 所述指示灯与耳机插口相对设置， 所述灯孔位于所述耳机插孔上 方。 这是指示灯的具体设置位置。
优选的，所述指示灯为 LED灯， 包括灯柱和与所述主电路板焊接的金属部； 所述环状凸起上方设置有两条相互平行的指示灯限位凸起， 所述金属部上设置 有弯折。 这样可以更好的限定指示灯。
优选的， 所述微型音响还包括固定有喇叭的中壳， 所述中壳的一端设置有 避让所述指示灯限位凸起的第一开口。
优选的， 所述中壳上设置有出音孔， 所述微型音响还包括覆盖所述出音孔 的喇叭网， 所述中壳的另一端设置有长条状的第二开口， 所述喇叭网的边缘设 置有向内的翻折， 喇叭网的两端分别设置有与所述第一开口和第二开口相配合 的第三开口和第四开口。 这样可以更好的固定喇叭网。
优选的， 所述翻折宽度与所述中壳边缘的宽度相同， 所述翻折的内侧设置 有凸出的喇叭固定脚。 这样也是为了更好的固定喇叭网。
优选的， 所述中壳还设置有用胶水固定在所述第一开口上方的泡沫及位于 第二开口前方的挡板。 这样可以防止灰尘从第一开口和第二开口进入壳体内部。
本发明由于在下壳内侧设置了与耳机插口相适应的环状凸起， 可以防止出 现因长久使用耳机插口变形的情况出现； 在下壳外侧设置了限制耳机插入距离 的耳机限位平台， 当耳机的金属部插入完全之后， 耳机就不可以继续插入了， 避免因用力过大造成的耳机插口的损坏。 【附图说明】
图 1是本发明实施例的微型音响的拆分示意图；
图 2是本发明实施例的下壳内部示意图；
图 3是本发明实施例的下壳外部示意图；
图 4是本发明实施例的中壳示意图；
图 5是本发明实施例的喇八网示意图。
其中： 1、 上壳； 2、 中壳； 21、 第一开口； 22、 第二开口； 23、 挡板； 24、 出音孔； 3、 下壳； 31、 耳机插孔； 32、 环状凸起； 33、 指示灯限位凸起； 34、 耳机限位平台； 35、 灯孔； 4、 喇叭； 5、 喇叭网； 51、 第四开口； 52、 喇叭固 定脚； 53、 翻折； 54、 第三开口； 6、 电池； 7、 主电路板； 8、 按键电路板； 9、 按键。
【具体实施方式】
一种微型音响， 包括设置有耳机插口的主电路板和固定所述主电路板的下 壳， 所述下壳上设置有与所述耳机插口相配合的耳机插孔， 所述下壳内侧设置 有环所述耳机插孔的环状凸起， 所述下壳外侧设置有环所述耳机插孔的耳机限 位平台。 本发明由于在下壳内侧设置了与耳机插口相适应的环状凸起， 可以防 止出现因长久使用耳机插口变形的情况出现； 在下壳外侧设置了限制耳机插入 距离的耳机限位平台， 当耳机的金属部插入完全之后， 耳机就不可以继续插入 了， 避免因用力过大造成的耳机插口的损坏。
下面结合附图和较佳的实施例对本发明作进一步说明。
如图 1至 5所示， 微型音响包括壳体、 固定在壳体内的喇叭 4、 电路板和为 微型音响提供电源的电池 6; 所述的壳体包括上壳 1、 中壳 2与下壳 3 , 喇叭 4 用螺丝固定在中壳 2上， 中壳 2上设置有环所述喇叭的第一环状凸起， 上壳 1 内壁设置有套在所述第一环状凸起上的封闭圏， 封闭圏将喇八密封在微型音响 内形成封闭的前音腔， 而下壳与中壳之间形成后音腔， 前音腔与后音腔配合， 有效的改善喇八 4的重低音的共振效果从而提高微型音响的音质。
电路板包括设置有控制微型音响开和关的总开关、 TF接口、 USB充电接口、 音频输入口、 耳机接口及收音机天线的主电路板 7和调节主电路板 7的按键电 路板； 按键电路板 8固定在中壳 2上， 微型音响还包括操作按键电路板 8且一 体式设置的按 9键， 中壳 2上设置按键避让位。 主电路板 7用螺丝固定在下壳 3 内， 在下壳 3内设置有与所述总开关、 TF接口、 USB充电接口、 音频输入口及 耳机接口——对应的开关避让孔、 TF避让孔、 USB避让孔、 音频输入孔及耳机 插孔 31。 下壳内侧设置了与耳机插口相适应的环状凸起 32, 可以防止出现因长 久使用耳机插口变形的情况出现； 在下壳 3 外侧设置了限制耳机插入距离的耳 机限位平台 34, 当耳机的金属部插入完全之后， 耳机就不可以继续插入了， 避 免因用力过大造成的耳机插口的损坏。 耳机插口位于主电路板的一端， 下壳 3 从底部逐渐向外凸终止于端部， 下壳外 3侧设置有与耳机相适应的凹陷， 凹陷 终止于耳机限位平台 34。 设置凹陷可以保护耳机。
主电路板上还设置有与耳机插口相对设置的指示灯， 在耳机插孔 31 上方设 置有灯孔 35 , 通过观察指示灯来判断微型音响的开和关。 指示灯为 LED灯， 包 括灯柱和与主电路板焊接的金属部； 环状凸起 32上方设置有两条相互平行的指 示灯限位凸起 33 , 金属部上设置有弯折方便将。
中壳 2上设置有出音孔 24, 微型音响还包括覆盖出音孔 24的喇叭网 5 , 中 壳的一端设置有避让指示灯限位凸起的第一开口 21 , 为了更好的固定喇叭网 5 , 在中壳的另一端设置有长条状的第二开口 22; 喇叭网 5上设置有与第一开口 21 和第二开口 22相配合的第三开口 54和第四开口 51。 喇叭网 5的边缘设置有向 内的翻折 53 , 翻折 53宽度与中壳 2边缘的宽度相同， 翻折 53的内侧设置有凸 出的喇叭固定脚 52, 更好的固定喇叭网 5。
为了防止灰尘从第一开口 21和第二开口 22进入壳体内部， 中壳 2还设置有 用胶水固定在第一开口 21上方的泡沫及位于第二开口 22前方的挡板 23。 电池 6竖置在按键电路板与喇八之间。
以上内容是结合具体的优选实施方式对本发明所作的进一步详细说明， 不能 认定本发明的具体实施只局限于这些说明。 对于本发明所属技术领域的普通技 术人员来说， 在不脱离本发明构思的前提下， 还可以做出若干简单推演或替换， 都应当视为属于本发明的保护范围。

Claims

权利要求
1、 一种微型音响， 其特征在于， 包括设置有耳机插口的主电路板和固定所 述主电路板的下壳， 所述下壳上设置有与所述耳机插口相配合的耳机插孔， 所 述下壳内侧设置有环所述耳机插孔的环状凸起， 所述下壳外侧设置有环所述耳 机插孔的耳机限位平台。
2、 如权利要求 1所述的微型音响， 其特征在于， 所述耳机插口位于所述主 电路板的一端， 所述下壳从底部逐渐向外凸终止于端部， 所述下壳外侧设置有 与耳机相适应的凹陷， 所述凹陷终止于所述耳机限位平台。
3、 如权利要求 2所述的微型音响， 其特征在于， 所述下壳底部设置有下凹 的与所述耳机插口相适应的放置平台。
4、 如权利要求 2所述的微型音响， 其特征在于， 所述主电路板上还设置有 用来显示微型音响工作状态的指示灯， 所述下壳上设置有灯孔。
5、 如权利要求 4所述的微型音响， 其特征在于， 所述指示灯与耳机插口相 对设置， 所述灯孔位于所述耳机插孔上方。
6、 如权利要求 5所述的微型音响， 其特征在于， 所述指示灯为 LED灯， 包括灯柱和与所述主电路板焊接的金属部； 所述环状凸起上方设置有两条相互 平行的指示灯限位凸起， 所述金属部上设置有弯折。
7、 如权利要求 5所述的微型音响， 其特征在于， 所述微型音响还包括固定 有喇叭的中壳， 所述中壳的一端设置有避让所述指示灯限位凸起的第一开口。
8、如权利要求 7所述的微型音响， 其特征在于， 所述中壳上设置有出音孔， 所述微型音响还包括覆盖所述出音孔的喇叭网， 所述中壳的另一端设置有长条 状的第二开口， 所述喇叭网的边缘设置有向内的翻折， 喇叭网的两端分别设置 有与所述第一开口和第二开口相配合的第三开口和第四开口。
9、 如权利要求 8所述的微型音响， 其特征在于， 所述翻折宽度与所述中壳 边缘的宽度相同， 所述翻折的内侧设置有凸出的喇八固定脚。
10、 如权利要求 9所述的微型音响， 其特征在于， 所述中壳还设置有用胶 水固定在所述第一开口上方的泡沫及位于第二开口前方的挡板。
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