200833151 九、發明說明： 【發明所屬之技術領域】 本發明涉及一種音頻訊號轉接裝置，特別是關於一種 能夠共用通用串列匯流排(USB)的音頻轉接裝置。 【先前技術】200833151 IX. INSTRUCTIONS: TECHNICAL FIELD The present invention relates to an audio signal switching device, and more particularly to an audio switching device capable of sharing a universal serial bus (USB). [Prior Art]
目雨市場上廣泛流行各種可攜式移動電子產品，如行 動電話’音樂播放器等。由於可攜式移動電子產品體積微 型化’需要通過耳機來播放聲音，因此上述電子產品越來 越多的需配帶耳機，而為了使得使用者獲得更大的自由度 耳，線都設計很長。同時這些電子產品與外部設備的數據 及貪料的傳輸多用USB傳輸線。在可攜式移動電子的使用 中，耳機及USB傳輸線都是必不可少的元件，因此用戶經 常需要同時準備聰傳輪線及耳機，而耳機線、傳輸 線!5存在有很長的傳輸線，這樣用戶對耳機及USB傳輸線 的官理和攜㈣帶綠大的錢，而且造成祕的浪費。 備上。 狀因此本發明提供-種音頻訊號轉接裝置，使用該轉接 衣置此夠if過USB傳輸線傳輸音頻訊號並轉接纟彳耳機等設 所述音頻訊號轉接裝置包括： 作:第—轉接子裝置’其包括—音頻連接插頭及第一 連接結構’該音頻連接插頭分為左聲道音頻訊號連接 ^右聲道音頻織連接料音頻鱗翻，該第一咖 連接結構與·賴_切錢道㉔魏連接端和右 200833151 •聲道音頻訊號連接端及音頻地連接端-對—分別連接至 ‘ 腸傳輸線的正數據線、負數據線、電源線和接地線中的 一根，該第一轉接子裝置將音頻訊號傳至USB傳輸線； 一第二轉接子裝置，其包括-音頻插座及第二USB連 接結構，該音頻插座分為左聲道音頻訊號連接端、右聲道 音頻訊號連接端和音頻地連接端，該第二USB連接結構與 USB傳輸線搞合將左聲道音頻訊號連接端和右聲道音頻訊 鲁錢接端及音頻地連接端一對一分別連接至USB傳輸線的 正數據線、負數據線、電源線和接地線中的一根，且，所 述第二USB連接結構與USB傳輸線的耦合與所述第一 USB連接結構與USB傳輸線連接關係相同，該第二轉接子 裝置通過USB傳輸線獲得從所述音頻連接插頭傳送的音頻 訊號。 所述音頻訊號轉接裝置亦可包括有：一音頻插座及一 USB連接結構，該音頻插座分為左聲道音頻訊號連接端、 爾 右聲道音頻訊號連接端和音頻地連接端，所述USB連接結 構與USB傳輸線耦合將左聲道音頻訊號連接端和右聲道音 頻訊號連接端一對一連接至USB傳輸線的正數據線和負數 據線’將音頻地連接端連接至USB傳輸線的接地線。 本發明提供的音頻轉接裝置可以提高USB傳輸線的利 用率，達到精簡設備的目的。 【實施方式】 參閱圖1，是本發明音頻訊號轉接裝置的結構示意圖。 所述轉接裝置包括一第一轉接子裝置3與一第二轉接子裝 200833151 置4，分別連接一 USB傳輸線5兩端的插頭（下稱第一插 頭1與第二插頭2)。所述第一轉接子裝置3 —端為音頻連 接插頭31，該音頻連接插頭31可為標準3·5毫米音頻插 頭。所述音頻連接插頭31可以接至MP3播放器、筆記本 電腦及個人電腦等設備的音頻輸出介面。該第一轉接子裝 置3的另一端為可與USB傳輸線第一插頭1連接的第一 USB連接結構32。所述第二轉接子裝置4 一端為與USB 傳輸線第二插頭2連接的第二USB連接結構41，另一端為 音頻插座42，該音頻插座42可為標準3.5毫米音頻插座， 可連接其他的音頻輸出設備。 參閱圖2，是第一轉接子裝置3的内部電氣連接示意 圖。所述第一 USB連接結構32包括正數據線（Data+)端 子、負數據線（Data-)端子、電源線（Vcc)端子和接地 線（GND)端子。所述第一轉接子裝置3的音頻連接插頭 31分為電氣獨立的三段：依次為左聲道音頻訊號連接端 A、右聲道音頻訊號連接端B和音頻地連接端c。其中， 左聲道音頻訊號連接端A和右聲道音頻訊號連接端b分別 連接至第一 USB連接結構32的正數據線（Data+)端子和 負數據線（ Data-)端子，音頻地連接端C連接至電源線 (Vcc)端子和接地線（GND)端子。 參閱圖3，是第二轉接子裝置4的内部電氣連接示意 圖。所述第二USB連接結構41包括正數據線（Data+)端 子、負數據線（Data-)端子、電源線（vcc)端子和接地 線（GND)端子。所述第二轉接子裝置4的音頻插座42 200833151 分為電氣獨立的二段：依次為左聲道音頻訊號連接端a、右 聲道音頻訊號連接端b和音頻地連接端c。其中，左聲道音 頻訊號連接端a、右聲道音頻訊號連接端^分別連接至第二 USB連接結構41的正數據線（Data+)端子和負數據線 (Data-)端子’音頻地連接端^連接至電源線(Vcc)端子和接 地線(GND)端子。 轉接裝置％氣連接不限於上述方式。例如，如圖5所 示，第一轉接子裝置3的音頻連接插頭31的左聲道音頻訊 號連接端A、右聲道音頻訊號連接端b和音頻地連接端◦ 可以與第一 USB連接結構32的正數據線（Data+)端子、 負數據線(Data-)端子和接地線(GND)端子一對一連接，而 第一 USB連接結構32的電源線(Vcc)端子空置。相對應地， 弟一轉接子裝置4的音頻插座421和422的左聲道音頻訊 號連接端a、右聲道音頻訊號連接端b、接地線端子^可以 與第二USB連接結構41的正數據線（Data+)端子、負數 據線(Data-)端子和接地線(GND)端子一對一連接，使得第 二USB連接結構41的電源線(Vcc)端子空置。 再者’第一轉接子裝置3的音頻連接插頭31的左聲道 音頻訊號連接端A、右聲道音頻訊號連接端B和音頻地連 接端C也可以分別連接至第一 USB連接結構32的任意三 個端子，只要第二轉接子裝置4的音頻插座42的左聲道音 頻訊號連接端a、右聲道音頻訊號連接端b、接地線端子c 也分別連接至第二USB連接結構41相對應的同名端，保 證左、右聲道音頻訊號和音頻地訊號相互之間隔離、第— 200833151 ' 轉接子裝置3的音頻插座31和第二轉接子裝置4的音頻插 座42的同名細分別導通即可。 -再當所述第一轉接子裝置3的音頻連接插頭31連接至 MP3播放器、筆記本電腦及個人電腦等設備的音頻輪出介 面時，音頻訊號可通過USB傳輸線5從第一轉接子裝置3 的音頻連接插頭31傳輸到第二轉接子裝置4的音頻插座 42 ° 以下例舉轉接裝置具體應用時的三種方式： 修 其一：第一轉接子裝置3的音頻連接插頭31插入音頻 播放設備（例如mp3播放器）獲得音頻訊號。所述第一 USB 連接結構32為一凹入結構，其與USB傳輸線的第一插頭工 耦合，該第一插頭1為USB傳輸線標準A型插頭。音頻訊 號通過該第一轉接子裝置3傳至USB傳輸線。第二USB 連接結構41為一凸設結構，其與USB傳輸線的第二插頭2 耦合，該第二插頭2為USB傳輸線標準B型插頭。耳機、 p 音箱等設備的介面插入第二轉接子裝置4的音頻插座42， 音頻訊號通過該第二轉接子裝置4傳至耳機、音箱等。 其二：第一轉接子裝置3的音頻連接插頭31插入音頻 播放没備（例如mp3播放器）可獲得音頻訊號。所述第一 USB連接結構32為一凸設結構，其與USB傳輸線的第一 插頭1耦合，該第一插頭i.為USB傳輸線標準B盤插頭。 音頻訊號通過該第一轉接子裝置3傳至US]B傳輸線。所述 第一 USB連接結構為一凹入結構，其與uSB傳輸線的 第二插頭2耦合，該第二插頭2為USB傳輸線標準A型插 200833151 貝耳機g釦等設備的介面插入二 頻插座42，音頻心μ— 衣置4的音 音箱等。—通過該弟二轉接子裝置4傳至耳機、 則可=第==sr輸出音頻訊號的音頻播放設備 ^插人音頻設備4=接將㈣傳輸線的第一插 二湖連接結構41mf。第二轉接Μ置4的第 二插頭2麵合，該第^插頭二構，其與咖傳輪線的第 ^ , 插碩2為USB傳輸線標準 耳機、音箱等設備的介面插人第二轉接子裂置4的立插^； ;:2,音頻訊號通過該第二轉接子裝置4傳至耳 參閱圖4和圖5,分別是第二轉接子裝置 輸出時的結構示意圖和内部電氣連接示意圖述 接子裝置44設有多個音頻插座42，圖中為=jA variety of portable mobile electronic products such as mobile phone 'music players' are widely popular in the rain market. Due to the miniaturization of portable mobile electronic products, it is necessary to play sound through headphones. Therefore, more and more electronic products are required to be equipped with earphones, and in order to enable users to obtain greater freedom of ear, the lines are designed to be long. . At the same time, the data transmission of these electronic products and external devices and the transmission of greedy materials use USB transmission lines. In the use of portable mobile electronic devices, earphones and USB transmission lines are indispensable components, so users often need to prepare both the transmission line and the earphones at the same time, while the earphone cable and transmission line! 5 have a long transmission line. The user's official knowledge of the headset and USB transmission line and carrying (4) with green money, and caused a secret waste. Ready. Therefore, the present invention provides an audio signal switching device, which is configured to transmit an audio signal and transmit the audio signal to the earphone, etc., by using the adapter device. The connector device includes: an audio connection plug and a first connection structure. The audio connection plug is divided into a left channel audio signal connection ^ a right channel audio woven connection material audio scale, the first coffee connection structure and Lai _ Cut the money channel 24 Wei connector and right 200833151 • Channel audio signal connector and audio ground connector - pair - respectively connect to the 'intestine transmission line of the positive data line, negative data line, power line and ground line, The first switching sub-device transmits the audio signal to the USB transmission line; a second switching sub-device includes an audio socket and a second USB connection structure, the audio socket is divided into a left channel audio signal connection end and a right sound The audio signal connection end and the audio ground connection end, the second USB connection structure and the USB transmission line are combined to connect the left channel audio signal connection end and the right channel audio signal lube connection end and the audio ground connection end one to one respectively Connected to one of a positive data line, a negative data line, a power line and a ground line of the USB transmission line, and the coupling of the second USB connection structure and the USB transmission line and the connection relationship between the first USB connection structure and the USB transmission line Similarly, the second switching sub-device obtains an audio signal transmitted from the audio connection plug through a USB transmission line. The audio signal switching device may further include: an audio socket and a USB connection structure, wherein the audio socket is divided into a left channel audio signal connection end, an audio channel audio signal connection end, and an audio ground connection end, The USB connection structure is coupled with the USB transmission line. The left channel audio signal connection end and the right channel audio signal connection end are connected one to one to the positive and negative data lines of the USB transmission line. The audio ground connection end is connected to the ground of the USB transmission line. line. The audio switching device provided by the invention can improve the utilization rate of the USB transmission line and achieve the purpose of streamlining the device. [Embodiment] Referring to Figure 1, there is shown a schematic structural view of an audio signal switching device of the present invention. The switching device includes a first switching sub-device 3 and a second switching sub-assembly 200833151, which are respectively connected to plugs at both ends of a USB transmission line 5 (hereinafter referred to as a first plug 1 and a second plug 2). The first switching sub-assembly 3 is an audio connection plug 31, and the audio connection plug 31 can be a standard 3.5 mm audio plug. The audio connection plug 31 can be connected to an audio output interface of an MP3 player, a notebook computer, and a personal computer. The other end of the first switching sub-device 3 is a first USB connection structure 32 connectable to the first plug 1 of the USB transmission line. The second switching sub-device 4 has a second USB connection structure 41 connected to the second transmission plug 2 of the USB transmission line, and the other end is an audio socket 42. The audio socket 42 can be a standard 3.5 mm audio socket, and can be connected to other Audio output device. Referring to Figure 2, there is shown a schematic diagram of the internal electrical connection of the first switching sub-assembly 3. The first USB connection structure 32 includes a positive data line (Data+) terminal, a negative data line (Data-) terminal, a power supply line (Vcc) terminal, and a ground line (GND) terminal. The audio connection plug 31 of the first switching sub-device 3 is divided into three segments that are electrically independent: a left channel audio signal connection terminal A, a right channel audio signal connection terminal B, and an audio ground connection terminal c. The left channel audio signal connection end A and the right channel audio signal connection end b are respectively connected to the positive data line (Data+) terminal and the negative data line (Data-) terminal of the first USB connection structure 32, and the audio ground connection end C is connected to the power line (Vcc) terminal and the ground (GND) terminal. Referring to Figure 3, there is shown a schematic diagram of the internal electrical connection of the second switching sub-assembly 4. The second USB connection structure 41 includes a positive data line (Data+) terminal, a negative data line (Data-) terminal, a power supply line (vcc) terminal, and a ground line (GND) terminal. The audio jack 42 200833151 of the second switching sub-device 4 is divided into two electrically independent segments: a left channel audio signal connection end a, a right channel audio signal connection end b, and an audio ground connection end c. The left channel audio signal connection end a and the right channel audio signal connection end are respectively connected to the positive data line (Data+) terminal and the negative data line (Data-) terminal 'the audio ground connection end of the second USB connection structure 41. ^Connect to the power line (Vcc) terminal and the ground (GND) terminal. The switching device % gas connection is not limited to the above. For example, as shown in FIG. 5, the left channel audio signal connection terminal A, the right channel audio signal connection terminal b, and the audio ground connection terminal 音频 of the audio connection plug 31 of the first switching sub-device 3 can be connected to the first USB. The positive data line (Data+) terminal, the negative data line (Data-) terminal, and the ground line (GND) terminal of the structure 32 are connected one-to-one, and the power supply line (Vcc) terminal of the first USB connection structure 32 is vacant. Correspondingly, the left channel audio signal connection end a, the right channel audio signal connection end b, the ground line terminal ^ of the audio jacks 421 and 422 of the relay sub-device 4 can be positive with the second USB connection structure 41. The data line (Data+) terminal, the negative data line (Data-) terminal, and the ground line (GND) terminal are connected one-to-one such that the power supply line (Vcc) terminal of the second USB connection structure 41 is vacant. Furthermore, the left channel audio signal connection terminal A, the right channel audio signal connection terminal B and the audio ground connection terminal C of the audio connection plug 31 of the first switching sub-device 3 may also be respectively connected to the first USB connection structure 32. Any three terminals, as long as the left channel audio signal connection end a, the right channel audio signal connection end b, and the ground line terminal c of the audio jack 42 of the second switching sub-device 4 are also respectively connected to the second USB connection structure 41 corresponding to the same name end, to ensure that the left and right channel audio signals and audio ground signals are isolated from each other, - 200833151 'the audio jack 31 of the sub-device 3 and the audio jack 42 of the second patch sub-device 4 The same name can be turned on separately. - When the audio connection plug 31 of the first switching sub-device 3 is connected to the audio wheel-out interface of an MP3 player, a notebook computer, a personal computer or the like, the audio signal can be transmitted from the first adapter via the USB transmission line 5. The audio connection plug 31 of the device 3 is transmitted to the audio socket 42 of the second adapter sub-device 4. The following three methods are exemplified for the specific application of the adapter device: One of the following: the audio connection plug 31 of the first adapter sub-device 3 Insert an audio playback device (such as an mp3 player) to get the audio signal. The first USB connection structure 32 is a recessed structure that is coupled to a first plug of a USB transmission line, the first plug 1 being a USB transmission line standard type A plug. The audio signal is transmitted to the USB transmission line through the first switching sub-device 3. The second USB connection structure 41 is a protruding structure coupled to the second plug 2 of the USB transmission line, and the second plug 2 is a USB transmission line standard type B plug. The interface of the device such as the earphone and the p speaker is inserted into the audio socket 42 of the second adapter device 4, and the audio signal is transmitted to the earphone, the speaker, etc. through the second adapter device 4. Second, the audio connection plug 31 of the first switching sub-device 3 is inserted into the audio playback device (for example, an mp3 player) to obtain an audio signal. The first USB connection structure 32 is a protruding structure coupled to the first plug 1 of the USB transmission line, and the first plug i. is a USB transmission line standard B-disk plug. The audio signal is transmitted to the US]B transmission line through the first switching sub-device 3. The first USB connection structure is a recessed structure, which is coupled to the second plug 2 of the uSB transmission line, and the second plug 2 is inserted into the second-frequency socket 42 by a device such as a USB transmission line standard A-type plug 200833151. , audio heart μ - the sound speaker of the clothes set 4 and so on. - The audio playback device that outputs the audio signal through the second relay sub-device 4 can be = ===sr The audio device 4 is inserted into the audio device 4 = the first plug-in two-hull connection structure 41mf of the (four) transmission line. The second plug 2 of the second transfer device 4 is face-to-face, and the second plug is configured to be the second interface of the device, such as a USB cable, a standard earphone, a speaker, etc. The insertion slot of the adapter split 4; ;: 2, the audio signal is transmitted to the ear through the second adapter device 4, referring to FIG. 4 and FIG. 5, respectively, is a schematic structural diagram of the output of the second adapter device and Internal electrical connection diagram The connector device 44 is provided with a plurality of audio sockets 42 in the figure = j
音頻插座421、422。該多個等音頻插座間並聯。第1 = 子裝置4經由該多個音頻插座42將音頻訊號傳至耳機、立 箱等多個音頻設僙。 ^ 【圖式簡單說明】 圖1是本發明音_號轉接裝置的結構示意圖。 圖2是第-轉接子裝置的内部電氣連接示意圖。 圖3是第二轉接子裝置的内部電氣連接示意圖。 圖4是第二轉接子|置具有多個輸出時的結構示意圖。 圖5是第二轉接子袭置具有多個輸出時的内部電氣連接 示意圖。 11 200833151 【主要元件符號說明】 USB第一插頭 1 USB第二插頭 2 第一轉接子裝置 ’ 3 第二轉接子裝置 4 USB傳輸線 5 音頻連接插頭 31 第一 USB連接結構 32 第二USB連接結構 41 音頻插座 42 12Audio jacks 421, 422. The plurality of equal audio jacks are connected in parallel. The first sub-device 4 transmits the audio signal to a plurality of audio devices such as a headphone, a stand, and the like via the plurality of audio jacks 42. ^ BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a schematic structural view of a sound_number switching device of the present invention. Figure 2 is a schematic illustration of the internal electrical connections of the first transfer sub-device. Figure 3 is a schematic diagram of the internal electrical connection of the second adapter device. 4 is a schematic structural view of a second adapter when placed with a plurality of outputs. Figure 5 is a schematic illustration of the internal electrical connections when the second adapter has multiple outputs. 11 200833151 [Description of main components] USB first plug 1 USB second plug 2 First adapter device ' 3 Second adapter device 4 USB transmission cable 5 Audio connector plug 31 First USB connection structure 32 Second USB connection Structure 41 audio jack 42 12