i M378594 五、新型說明： 【新型所屬之技術領域】 本創作提供一種音頻信號驅動發光二極體之電能推升 裝置，關於一種配置有發光二極體的揚聲器，特別涉及利 用音頻產品之音頻信號驅動該發光二極體發光的無源式放 大器。 【先前技術】 按，現有之音頻產品，包括有VCD、DVD放映機、收 肇 音機、隨身聽、MP3、MP4、MP5、行動電話、電腦及電玩 等，大都具有一可輸出音頻信號之音頻信號輸出端，用以 連接一揚聲器（俗稱喇η八），致使該揚聲器接受該音頻信號 驅動而發出聲音。該揚聲器的應用包含有音響剩0八、耳機 或蜂鳴器等。 且知，上述揚聲器主要是將音頻信號之電能轉換成聲 月b輸出，讓使用者的耳朵能夠聽到音樂或語音，因此揚聲 器的设§十重點大多偏重於將音頻信號忠實地轉換為聲音， 鲁讓使用者的耳朵能聽到原來的音樂或語音，享受原音重現 的聽覺效果。此外，如果能將發光二極體（LED)與揚聲器 搭配在一起，並藉由該音頻信號的控制，而使發光二極體 能隨著音樂或語音的進行，呈現隨音樂旋律或語音節奏之 變化而明滅、閃動的效果，即可讓使用者享受聽覺及視覺 上的雙重效果。 然而，上述音頻產品輸出之音頻信號的電功率通常都 相當微弱’舉如功率在励mW以下，且電壓也在1〇〇mV 以下；因此，該音頻信號雖足以驅動揚聲器發出語音或音 3 M378594 樂，卻難以驅動發光二極體運作；若以電池或外接電源來 驅動發光二極體，ϋ配合以音頻信號控制發光二極體間爍 及改變明亮度，會造成額外之能源負擔，且攜帶及使用上 也較為不便，亟待加以改善。 【新型内容】 本創作之目的在於以不造成額外能源負擔的前提下， 克服上述先前技術中音頻信號難以驅動發光二極體運作的 問題，並提升發光二極體與揚聲器搭配在一起後於攜帶及 _ 使用上的便利性。 為能達到上述目的，本創作音頻信號驅動發光二極體 之電能推升裝置，包括在一音頻產品之一音頻信號輸出端 連接一揚聲器，該音頻信號輸出端提供一音頻信號，驅動 該揚聲器發出聲音，其技術特徵為： 該音頻信號輸出端連接一無源式放大器，以放大該音 頻信號，且該無源式放大器連接至少一發光二極體，並驅 動該發光二極體發光；如此， Φ 當音頻信號隨音樂或語音節奏起伏時，通過該發光二 極體的電流會隨之變化，促使該發光二極體呈現隨音樂或 語音節奏之變化而閃爍及改變明亮度的效果。 藉由上述可知，本創作能以不造成額外能源負擔的前 提下，達到上述利用音頻信號驅動發光二極體運作的目 的，並提升發光二極體與揚聲器搭配在一起後於攜帶及使 用上的便利性。 此外，本創作也包括： 該無源式放大器並聯該揚聲器。 4 M378594 二…、源式放大器包含有—可推升音頻信號之無源升壓 ，壓裔，該無源升壓變壓器之—次側連接該音頻信號輸出 端，且該無源升壓變壓器之二次侧連接該發光二極體，而 使該無源式放大H藉由該無源升壓變壓器放大該音頻_ 號。 ° 該無源式放大器還包含有相並聯的一電阻及一電容， 該無源升壓變壓器之一次側與該電容相串聯，且該無源升 壓變壓器與電容係與該揚聲器相並聯。 • 該發光二極體可為複數，包含一第一發光二極體，及 並聯該第-發光二極體之一第二發光二極體，且該第二發 光二極體之陽極端與該第一發光二極體之陰極端連接，該 第二發光二極體之陰極端與該第一發光二極體之陽極端^ 接。 然而，為能明確且充分揭露本創作，併予列舉一較佳 實施之圖例，配合圖式詳細說明如後述： 【實施方式】 首觀圖1所示，揭示出本創作音頻信號驅動發光二極 體之電能推升裝置較佳實施例的電路圖，並配合圖2說明 本，作包括在一音頻產品丨之一音頻信號輸出端u連接一 揚聲器2，該音頻信號輸出端u能夠提供一線性之音頻信 號，以驅動該揚聲器2發出聲音，且該音頻產品丨並具有 一接地端10 ;在實施上，該揚聲器2之一陽極端21係連接 該音頻產品1之音頻信號輸出端Η，且揚聲器2之一陰極 端22係連接該音頻產品1之接地端1〇。 依據上述實施環境，該音頻信號輸出端U連接一無源 5 M378594 式放大器3(如圖1及圖2所示），且該無源式放大器3連 接至少一發光二極體，該無源式放大器3係為一種公知不 需要額外供電啟動的放大器，且無源式放大器3包含有一 可推升音頻信號之無源升壓變壓器30,並搭配相並聯的一 電阻34及一電容33等（LCR)被動元件，無源升壓變壓器i M378594 V. New Description: [New Technology Field] This product provides an electric energy boosting device for driving an LED with an audio signal. It relates to a speaker equipped with a light-emitting diode, and particularly relates to an audio signal using an audio product. A passive amplifier that drives the light emitting diode to emit light. [Prior Art] According to the existing audio products, including VCD, DVD projectors, receivers, players, MP3, MP4, MP5, mobile phones, computers and video games, most of them have an audio signal that can output audio signals. The output end is used to connect a speaker (commonly known as ηη8), so that the speaker is driven by the audio signal to emit sound. The speaker application includes a left of 0, a headphone or a buzzer. It is also known that the above-mentioned speaker mainly converts the electric energy of the audio signal into the output of the sound month b, so that the user's ear can hear music or voice, so the focus of the speaker is mostly on the faithful conversion of the audio signal into sound, Lu Let the user's ear hear the original music or voice and enjoy the original sound reproduction. In addition, if a light-emitting diode (LED) can be paired with a speaker and controlled by the audio signal, the light-emitting diode can be changed with music melody or voice rhythm as music or voice progresses. The effect of clearing and flashing allows the user to enjoy both auditory and visual effects. However, the electrical power of the audio signal output by the above audio products is usually quite weak 'like the power below the excitation mW, and the voltage is also below 1 〇〇 mV; therefore, the audio signal is enough to drive the speaker to emit a voice or sound 3 M378594 However, it is difficult to drive the operation of the light-emitting diode; if the battery or external power supply is used to drive the light-emitting diode, the use of an audio signal to control the light-emitting diode between the light-emitting diodes and change the brightness will cause an additional energy burden, and carry and It is also inconvenient to use and needs to be improved. [New content] The purpose of this creation is to overcome the problem that the audio signal is difficult to drive the operation of the light-emitting diode in the prior art without causing an additional energy burden, and to enhance the light-emitting diode and the speaker to be carried together. And _ convenience in use. In order to achieve the above objective, the present audio signal drives the power boosting device of the light emitting diode, comprising connecting a speaker to an audio signal output end of an audio product, and the audio signal output terminal provides an audio signal to drive the speaker to emit The sound is technically characterized in that: the audio signal output end is connected to a passive amplifier to amplify the audio signal, and the passive amplifier is connected to at least one light emitting diode and drives the light emitting diode to emit light; Φ When the audio signal fluctuates with the rhythm of music or speech, the current passing through the LED will change, causing the LED to exhibit the effect of flickering and changing the brightness as the music or voice rhythm changes. It can be seen from the above that the present invention can achieve the above-mentioned purpose of driving the light-emitting diode by using the audio signal without causing an additional energy burden, and improving the carrying and use of the light-emitting diode and the speaker. Convenience. In addition, the creation also includes: The passive amplifier is connected in parallel with the speaker. 4 M378594 two... The source amplifier includes a passive boost that can push up the audio signal, the compactor, the passive side of the passive step-up transformer is connected to the audio signal output, and the passive step-up transformer is The secondary side is connected to the light emitting diode, and the passive amplification H is amplified by the passive step-up transformer. ° The passive amplifier further includes a resistor and a capacitor connected in parallel, the primary side of the passive step-up transformer is connected in series with the capacitor, and the passive boost transformer and the capacitor system are connected in parallel with the speaker. The light emitting diode may be plural, including a first light emitting diode, and a second light emitting diode parallel to the first light emitting diode, and the anode end of the second light emitting diode The cathode end of the first light emitting diode is connected, and the cathode end of the second light emitting diode is connected to the anode end of the first light emitting diode. However, in order to clearly and fully disclose the present invention, and to illustrate a preferred embodiment of the drawings, the detailed description will be described later with reference to the drawings: [Embodiment] The first view of FIG. 1 reveals that the present audio signal drives the light-emitting diode. The circuit diagram of the preferred embodiment of the electrical energy boosting device, and in conjunction with FIG. 2, includes a speaker 2 connected to an audio signal output terminal u of an audio product, the audio signal output terminal u capable of providing a linear An audio signal for driving the speaker 2 to emit sound, and the audio product has a grounding end 10; in practice, one of the anode ends 21 of the speaker 2 is connected to the audio signal output terminal of the audio product 1, and the speaker 2 One of the cathode ends 22 is connected to the ground terminal 1 of the audio product 1. According to the above implementation environment, the audio signal output terminal U is connected to a passive 5 M378594 type amplifier 3 (as shown in FIG. 1 and FIG. 2), and the passive amplifier 3 is connected to at least one light emitting diode, the passive type The amplifier 3 is an amplifier known to be activated without additional power supply, and the passive amplifier 3 includes a passive step-up transformer 30 that can boost the audio signal, and is matched with a resistor 34 and a capacitor 33 connected in parallel (LCR). Passive component, passive step-up transformer
30係為一種公知的無源電子元器件，該無源升壓變壓器3〇 ,一次侧31連接該音頻信號輸出端u，且該無源升壓變壓 器30之一次侧32連接該發光二極體；在實施上，該無源 升壓變30之-次侧31的陽極端311與該電容33之陰 極端332才目連接’而使該電容Μ與無源升壓變壓器扣之 ^相串聯’且電容33之陽極端331連接該音頻信 ’ 端11，該無源升壓變壓器3〇之一次侧31的陰極端 盘接地端1〇 ’而使該無源升壓變壓器30與電容33 器=2相㈣；如此’該無源式放Ali 3係並聯該 二極一極體在本實施上可為複數，包含-第-發光 41之-筮圖^及冑2所示），及並聯該第一發光二極體 端411連接兮与j 42 ’該第—發光二極體41之陽極 321，且升壓變壓器30之二次側32的陽極端 變壓器30之極體41之陰極端412連接該無源升壓 42之陽極端之：的陰極端322 ’該第：發光二極體 接’該第二發光ϋ發光二極體41之陰極端412連 體41之陽極端4U之陰㈣422與該第一發光二極 上述揚聲器2、無源式放大器3、第-及第二發光二極 6 一 41、42在本實施上可配置複數組一同實施（如圖i所 不且連接至該音頻產品1之另-音頻信號輸出端12。 ^藉由上述構件之組成，可供據以實施本創作，特別是 田音頻信號輸出端11、12輸出一音頻信號51驅動該揚聲器 2撥放音樂或語音時（配合圖1及圖2所示），該音頻信號 51亦同步傳遞至該無源式放大器3,並藉由該無源升壓變 壓器30放大該音頻信號51’而使經由該無源式放大器3輸 出之音頻信號52的強度得以提升，進而能夠驅動該第一及 第二發光二極體41、42發光；當音頻信號51、52隨音樂 或#音頻率、Bp奏起伏時，通過該第一及第二發光二極體 41、42的電流會隨之變化，促使該第一及第二發光二極體 41、42呈現隨音樂或語音節奏之變化而閃爍及改變明亮度 的效果；期間’由於該第二發光二極體42係相反並聯該無 源式放大器3 ’而使第一與第二發光二極體41、42能夠交 替發光。 相信上述說明，已足以明確且充分揭示本創作可供據 以實施之必要技術内容，特別是利用該無源式放大器之無 源升壓變壓器推升音頻信號之信號強度，藉以驅動發光二 極體運作；據此，能在不造成額外能源負擔的前提下，將 發光二極體與揚聲器搭配在一起，以提供使用者享受聽覺 及視覺上的雙重效果，並提升發光二極體與揚聲器搭配在 一起後於攜帶及使用上的便利性。如此，可將本創作應用 於音響喇叭、耳機或蜂鳴器上，並配合VCD、DVD放映機、 收音機、隨身聽、MP3、MP4、MP5、行動電話、電腦或電 玩等音頻產品使用。 M378594 综上所陳，僅為本創作之較佳實施例而已，並非用以 限定本創作，凡其它未脫離本創作所揭示之精神下而完成 的等效修飾或置換，均應包含於後述申請專利範圍内。 【圖式簡單說明】 圖1 :為本創作較佳實施例之電路圖。 圖2:為本創作較佳實施例之方塊圖。 圖3 :為圖2之使用狀態圖。 【主要元件符號說明】The 30 series is a well-known passive electronic component. The passive step-up transformer 3 is connected to the audio signal output terminal u, and the primary side 32 of the passive step-up transformer 30 is connected to the LED. In practice, the anode end 311 of the passive boost 30-sub-side 31 is connected to the cathode end 332 of the capacitor 33, and the capacitor 串联 is connected in series with the passive step-up transformer. And the anode end 331 of the capacitor 33 is connected to the audio signal terminal 11, and the cathode end plate ground terminal 1' of the primary side 31 of the passive step-up transformer 3 is used to make the passive step-up transformer 30 and the capacitor 33 2 phase (four); such 'the passive type Ali 3 series parallel to the two poles and one pole can be plural in this embodiment, including - the first - illuminating 41 - 筮 and ^ 胄 2), and parallel The first LED terminal 411 is connected to the anode 321 of the first light-emitting diode 41, and the cathode terminal 412 of the anode body 41 of the anode-side transformer 30 of the secondary side 32 of the step-up transformer 30 is connected. The anode end of the passive boost 42 is: a cathode end 322 'the first: the light emitting diode is connected to the second light emitting light emitting diode 4 The cathode end 412 of the cathode end 412 of the cathode 41 of the body 41 is connected to the cathode (four) 422 of the body 41 and the first light emitting diode. The speaker 2, the passive amplifier 3, the first and second light emitting diodes 6 41, 42 can be implemented in this embodiment. The configuration complex array is implemented together (as shown in Figure i and connected to the audio signal output terminal 12 of the audio product 1). By the composition of the above components, the present invention can be implemented, especially the field audio signal output terminal. 11 and 12 output an audio signal 51 to drive the speaker 2 to play music or voice (as shown in FIG. 1 and FIG. 2), the audio signal 51 is also synchronously transmitted to the passive amplifier 3, and by the passive The step-up transformer 30 amplifies the audio signal 51' to increase the intensity of the audio signal 52 outputted through the passive amplifier 3, thereby enabling the first and second light-emitting diodes 41, 42 to emit light; when the audio signal 51, 52 with the music or # audio frequency, Bp undulating, the current through the first and second light-emitting diodes 41, 42 will change accordingly, prompting the first and second light-emitting diodes 41, 42 Rendering and changing with the change of music or phonetic rhythm The effect of the degree; during the period in which the second light-emitting diodes 42 are connected in parallel to the passive amplifier 3', the first and second light-emitting diodes 41, 42 can be alternately illuminated. It is believed that the above description is sufficient And fully reveal the necessary technical content that the creation can be implemented according to the implementation, in particular, the passive step-up transformer of the passive amplifier is used to push up the signal strength of the audio signal, thereby driving the operation of the light-emitting diode; Without the additional energy burden, the LEDs are paired with the speakers to provide users with both audio and visual effects, and to enhance the light-emitting diodes and speakers for carrying and using them. Convenience. In this way, the creation can be applied to audio speakers, headphones or buzzers, and used with audio products such as VCD, DVD projectors, radios, walkmans, MP3, MP4, MP5, mobile phones, computers or video games. M378594 In summary, it is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any equivalent modifications or substitutions that are not made without departing from the spirit of the present invention should be included in the application below. Within the scope of the patent. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a circuit diagram of a preferred embodiment of the present invention. Figure 2 is a block diagram of a preferred embodiment of the present invention. Figure 3: is a state diagram of the use of Figure 2. [Main component symbol description]
1 音頻產品 10 接地端 11、 12 音頻信號輸出端 2 揚聲器 21、 311 、 32卜 331 、 411 、 421 陽極端 22 ' 312、322、332、412、422 陰極端 3 無源式放大器 30 無源升壓變壓器 31 一次侧 32 二次侧 33 電容 34 電阻 41 第一發光二極體 42 第二發光二極體 51、 52 音頻信號1 Audio product 10 Ground terminal 11, 12 Audio signal output terminal 2 Speaker 21, 311, 32 Bu 331 , 411 , 421 Anode terminal 22 ' 312, 322, 332, 412, 422 Cathode terminal 3 Passive amplifier 30 Passive liter Voltage transformer 31 Primary side 32 Secondary side 33 Capacitor 34 Resistor 41 First light-emitting diode 42 Second light-emitting diode 51, 52 Audio signal