201242228 六、發明說明: 【發明所屬之技術領域】 本發__-種交流電轉直流電的電源供應器技術領 域’特別是具有多效能的電源轉換器。 【先前技術】 a * 大部分的電子或光電器材,其内部元件所使用的電源 直&電’而-般市電找交流電,所以必須使用適當的電 =應器(錢n或電轉換器)來把市f轉換成各種不同的 直^電源,以供電器發揮正常功能。 台灣專利566761揭示-種非對稱半橋式與馳返式電力轉 ίίΪΪί切換電路,該專利前案揭示在重載時,使用非對稱 雷時,使用返馳式電路,並且藉由功因校正 換效率電源的可使用率。此外該專利前案揭示其具有高轉 ^而,專利前案的說明内容並未提及轉換 之高轉換效率是否具備高實用價值2 2二ΐΐ 可達7卿左右;若轉換效率有達到90% 擾高轉換效率。其次該專利前案對於電磁干 =顺、電路溫升問題、及調光機制皆未提供適當的解 電路揭示—種高效率推挽式電源電路,其 之切換μ德雜裤的雜,可降低開關元件 變壓器之低屬°如夺1 脈f寬度調變(PWM)晶片設置於隔離驅動 5不5, ™晶片可安全穩定地工作於健 路而降低ΐ本。it t影ί,同時方便整合各健側之電 然而該軸」’料樹案提及其具有高轉換效率。 何,所以並核舰率的數值為 者,該真^11 斷所稱之南轉換效率是否具備高實用價值;再 問題及電路、錄㈣率核、副 201242228 台灣專利M38446G揭示-種具功因修 力因校正的功效。此外該 電路段寬輸出功率支援、 台灣專利572544揭示-種調光電路控制裝置 利用=RJAC觸成_發來達_光的功能= =而上述方式會使功率因數受調光動作的影響而下降,·其 2專^案並沒有進—步提供功因校正、寬輸出功率支援'、 EMI、電路溫升、及高轉換效率等問題的解決手段。 電源Πί設"^主往伴隨著··增加虛功、增加電>1 波^染率因數與轉換效率偏低、增加電磁干擾、 獨朝題,社频各專樹案都僅能 =ί:;】提供解決手段,因此各設計均未臻理想。 具有提供一種具有多效能的電源轉換器,其 夠祕ΕΜΙ紐、高功率隨、高無 寬功率輸出、及低電路溫升等多種使用效能。 的-第第交流=轉換電第路’其/有電性相連接 齡入⑨較器’其中第—調整㈣以改變乘法器 ::路的第性 路及主動式功率因數校正電路的第三調整器。 本發月更包含-脈波寬度調變控制電路與一調光電路,其 4 201242228201242228 VI. Description of the Invention: [Technical Fields of the Invention] The present invention relates to a power supply technology field of alternating current to direct current, in particular, a power converter having multiple performances. [Prior Art] a * Most of the electronic or optoelectronic equipment, the power supply used by its internal components is straight & electric and the general electricity is looking for AC, so you must use the appropriate electric = (electric n or electric converter) To convert the city f into a variety of different power supplies, to play the normal function of the power supply. Taiwan Patent No. 566761 discloses an asymmetric half-bridge and fly-back power-switching circuit. The patent discloses that when a heavy-duty load is used, a flyback circuit is used, and the power factor correction is used. Efficiency power supply availability. In addition, the patent case reveals that it has a high turnover, and the description of the patent case does not mention whether the high conversion efficiency of the conversion has high practical value 2 2 2 可达 up to 7 qing; if the conversion efficiency reaches 90% High conversion efficiency. Secondly, the patent predecessor does not provide an appropriate solution circuit for electromagnetic dry=shun, circuit temperature rise problem, and dimming mechanism. A high-efficiency push-pull power supply circuit, which switches the miscellaneous pants, can reduce The low-level of the switching element transformer is such that the 1-chip f-width modulation (PWM) chip is placed on the isolation driver 5, and the TM chip can safely and stably operate on the road and reduce the cost. It is easy to integrate the power of each side. However, the axis has a high conversion efficiency. Ho, so the value of the nuclear ship rate is the one, the true conversion efficiency of the true ^11 break has high practical value; re-problem and circuit, recorded (four) rate nuclear, deputy 201242228 Taiwan patent M38446G revealed - the cause The effect of repairing force due to correction. In addition, the circuit segment wide output power support, Taiwan Patent No. 572,544 discloses that the dimming circuit control device uses the function of =RJAC to reach the _light _light == and the above method causes the power factor to be affected by the dimming action , · The 2 special cases did not advance to provide solutions for problems such as power factor correction, wide output power support', EMI, circuit temperature rise, and high conversion efficiency. Power supply Π 设 ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ̄ ί:;] provides solutions, so each design is not ideal. It has a multi-performance power converter with a variety of performances such as high-performance, high-power, high-no-wide power output, and low circuit temperature rise. - the first AC = conversion electric road 'its / electrically connected phase into the 9 comparator 'the first - adjustment (four) to change the multiplier:: the road's first path and the active power factor correction circuit's third Adjuster. This month's month also includes a pulse width modulation control circuit and a dimming circuit, 4 201242228
降壓隔離電路與回授電路。 ’、工别千四致校正電路 又調光電路電性連接切換式 以下即根據本發明的目的、功效及結構組態, 施例,並配合圖式詳細說明。 舉出較佳實 【實施方式】 清參閱第1圖,圖中揭示本發明可將交流電轉換法 電’並可對一個受驅動裝置1〇提供適當的驅動電力使^^ f^ t述的受驅動裝置10主要是LED模組,然而(ED模 裝置1G之實施例之—’並非用以限制受驅動裝 又本發明所揭示的電源轉換器之構成包含一 EMI濾波電 f 20、一交流/直流(AC/〇c)轉換電路3〇、一主動式功^因數 校正電路40、一切換降壓隔離電路5〇、及一驅動處理電路6〇。 該驅動處理電路60電性連接該受驅動裝置1〇,而且又盥 式功率因數校正電路4G電性連接,藉以提供—回授;虎^ 動式功率隨校正t5MG。 流電輸出。 請參閱第2圖,EMI濾波電路20與AC/DC轉換電路3〇 電I"生連接。其中EMI滤波電路20可以防止電磁波對整體電路 架構干擾,而AC/DC'轉換電路30可使輸入的交流電轉換成直 主動式功率因數校正電路4〇與切換式降壓隔離電路5〇電 性相連;其中主動式功率因數校正電路4〇包含一第一調整器 41、一第二調整器42、一第三調整器43、一乘法器44、一誤 差放大器45、及一比較器46,且上述各構成單元互相電性相 連。 該第一調整器41可由二個電阻(R1,R2)與一個可變電容 (ci)互相搭配組合而成;該第一調整器41係電性相連該 AC/DC轉換電路30,以及電性相連該切換式降壓隔離電路 5〇 ·’此外該第一調整器41與該乘法器44電性相連。 5 201242228 該第二調整器42可由一個可變電阻(RS)構成;該第二調 整器42電性連接該切換式降壓隔離電路5〇,且電性連接該^ 較器46。 該第三調整器43可由一個可變電容(C2)與一個可變電阻 (R3)互相搭配組合而成;其電性相連該誤差放大器45及嗲 法器44。 Λ 再者,主動式功率因數校正電路4〇中的乘法器44電性連 接該比較器46 ;此外主動式功率因數校正電路4〇還包含一脈 波寬度調變(PWM)控制電路47與一開關48的組合,該PWM 控制電路47電性相連該比較器46,而該開關48位在該切換 式降壓隔離電路50與第二調整器42的電路路徑。 切換式降壓隔離電路50與驅動處理電路6〇電性相連;其 中本實施例所揭示的驅動處理電路6〇包含一個調光電 及 一回授電路62。 該調光電路61係電性連接該切換式降壓隔離電路5〇 驅動裝置(LED模組)1〇。 回授電路62電性連接該調光電路61及該主賦功率因數 校正電路40之誤差放大器45與第三調整器43。 以上電路架構為本發明對LED模組1〇所提供之較施 例;在此電路架構下,除了解決EMI關題外,更具有以下 ,體電路設計為單級返驰式咖触)電路設 顯單,紐元件功料耗低,因此可以具 ^於92从上的轉換效率,堪稱具有實㈣義的高轉換效 該第三触器43,觀可變電阻 變誤差放大器45的輸出訊號, 位、隹而:童丨輸出電流波形追隨電壓波形而調整至同相 進而達到G.97以上的高功率因數效能。 3.本發明使用切換式__電路50搭配主動式功率因 6 201242228 數校正電路40可提供可調式寬功率輸出。具體而言,第一調 整器41之電阻(R1,R2)具固定阻抗,藉由調整可變電容(C1)可 以改變進入乘法器的輸入訊號;微調第二調整器42(可變電阻 RS)以改變進入比較器46的輸入訊號;因此在第一調整器41 與第二調整器42的搭配下,可以使電源轉換器產生不同的輸 出功率;舉例而言’藉由上述的調整手段可使100瓦(W)以下 之輸出功率分成三個區段,且能相互切換。此種可調式寬功率 輸出切換設計,未見於一般的電源轉換器,同時也提供更佳、 更廣的使用性。 4.本發明的PWM調光電路設計搭配前述的三段輸出功率 切換,可提供大範圍的調光效果,例如可以將1〇〇w以下 功率區分成36W以下、36W至72W、及72W至l〇〇W三個 =^而且在調光齡巾,骑造成本發騎具備之高功率因 ^及局轉換效料效能的降低,因此本發明具駭好的實用 5.由於本㈣具雜触率,魏元 ’ =電路溫升的溫度較低,例如 狀態下;在72W〜100W之輸出功率下,:小於/5°C的 ^ 6(^的狀態下。將本發明之電路溫升|形小 產品比較,如下表1、表2、艿志 /、現7之廠商的 升明紐於财的產品。 ’ ° 電路溫Buck isolation circuit and feedback circuit. </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> </ RTI> <RTIgt; DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS [Embodiment] Referring to Figure 1, the present invention discloses that the present invention can convert an alternating current to a power supply and can provide appropriate driving power to a driven device 1 to enable The driving device 10 is mainly an LED module. However, the embodiment of the ED die device 1G is not used to limit the driven device. The power converter disclosed in the present invention comprises an EMI filter device f20, an AC/ A direct current (AC/〇c) conversion circuit 3〇, an active power factor correction circuit 40, a switching step-down isolation circuit 5〇, and a drive processing circuit 6〇. The drive processing circuit 60 is electrically connected to the driven circuit. The device 1〇, and the 功率-type power factor correction circuit 4G is electrically connected, thereby providing - feedback; the turbulent power is corrected with t5MG. The galvanic output is shown in Fig. 2, the EMI filter circuit 20 and the AC/DC The conversion circuit 3 is electrically connected. The EMI filter circuit 20 can prevent electromagnetic waves from interfering with the overall circuit architecture, and the AC/DC' conversion circuit 30 can convert the input alternating current into a direct active power factor correction circuit. Bucking isolation circuit 5〇 The active power factor correction circuit 4 includes a first regulator 41, a second regulator 42, a third regulator 43, a multiplier 44, an error amplifier 45, and a comparator 46. And the above-mentioned respective constituent units are electrically connected to each other. The first adjuster 41 can be formed by combining two resistors (R1, R2) and a variable capacitor (ci); the first adjuster 41 is electrically connected The AC/DC conversion circuit 30 is electrically connected to the switching step-down isolation circuit 5'. Further, the first regulator 41 is electrically connected to the multiplier 44. 5 201242228 The second regulator 42 can be provided by one The variable resistor (RS) is configured; the second regulator 42 is electrically connected to the switching step-down isolation circuit 5A, and is electrically connected to the comparator 46. The third regulator 43 can be a variable capacitor (C2) It is combined with a variable resistor (R3); it is electrically connected to the error amplifier 45 and the hopper 44. Further, the multiplier 44 in the active power factor correction circuit 4 is electrically connected to the comparison. The active power factor correction circuit 4〇 further includes a A combination of a wave width modulation (PWM) control circuit 47 and a switch 48 electrically coupled to the comparator 46, the switch 48 being located in the switched buck isolation circuit 50 and the second regulator 42 The circuit of the switching circuit is electrically connected to the driving processing circuit 6; wherein the driving processing circuit 6A disclosed in the embodiment includes a dimming and a feedback circuit 62. The dimming circuit 61 is The switching type buck isolation circuit 5〇 driving device (LED module) is electrically connected to the switching circuit 62. The feedback circuit 62 is electrically connected to the dimming circuit 61 and the error amplifier 45 and the third of the main power factor correction circuit 40. Adjuster 43. The above circuit architecture is a comparative example provided by the invention for the LED module 1; in this circuit architecture, in addition to solving the EMI problem, the following has the following, the body circuit design is a single-stage flyback type coffee touch) circuit design The display unit has a low power consumption, so it can have a conversion efficiency from above 92, which can be called a high conversion effect of the real (four) sense. The third contactor 43 and the output signal of the variable resistance variable error amplifier 45 are observed. , Bit, and :: The nursery rhyme output current waveform follows the voltage waveform and is adjusted to the same phase to achieve high power factor performance above G.97. 3. The present invention uses a switched __ circuit 50 with an active power factor 6 201242228 number correction circuit 40 to provide an adjustable wide power output. Specifically, the resistance (R1, R2) of the first regulator 41 has a fixed impedance, and the input signal entering the multiplier can be changed by adjusting the variable capacitance (C1); the second regulator 42 (variable resistance RS) is fine-tuned. In order to change the input signal entering the comparator 46; therefore, in combination with the first regulator 41 and the second regulator 42, the power converter can generate different output power; for example, by the above adjustment means The output power below 100 watts (W) is divided into three sections and can be switched to each other. This adjustable wide power output switching design is not found in general power converters, but also provides better and wider usability. 4. The PWM dimming circuit of the present invention is designed with the above three-stage output power switching to provide a wide range of dimming effects, for example, the power below 1 〇〇w can be divided into 36W or less, 36W to 72W, and 72W to l. 〇〇W three = ^ and in the dimming age towel, riding the high-power factor of the hair riding and the reduction of the efficiency of the conversion effect, so the invention has a good practical 5. Because of this (four) with a touch Rate, Wei Yuan' = the temperature of the circuit temperature rise is lower, for example, in the state; at an output power of 72W to 100W, : less than / 5 ° C ^ 6 (^ state. The temperature of the circuit of the present invention rises | Comparison of small products, as shown in Table 1, Table 2, 艿志 /, now 7 manufacturers of the products of the company. ' ° Circuit temperature
功率小於36W 電路穩定之 負载消耗功率(W) 公司單位Power less than 36W, stable circuit, load power consumption (W)
7 2012422287 201242228
表2 公司單位 率36W〜 負载消耗功率(W) 72W_ 穩定之 操作溫度(°C) 本專利 W 55 °C 飛利浦(Philips) W 75 °C 明緯企業有限公司 75 W 70 °C 表3 - -輸出功率72W〜100W 公司單位 負載消耗功率(W) 電路穩定之 操作溫度(°C) 本專利 100 W 60 °C 飛利浦(Philips) 100 W 75 °C 明緯企業有限公司 100 W 70 eC 以上乃本發明之較佳實施例以及設計圖式,惟較佳實施例 以及設計圖式僅是舉舰明,並制紐制本發明技蓺 範圍二凡以均等之技藝手段、或為下述「申請專利範; 所涵蓋之巧利範圍而實施者,均不脫離本發明之範疇而為 人之權利範圍。 甲得 【圖式簡單說明】 第1圖係本發明的電路架構方塊圖; 第2圖係本發明的電路圖。 【主要元件符號說明】 20 EMI渡波電路 4〇主動式功率因數校正電路 42第二調整器 10受驅動裝置 30交流/直流轉換電路 41第一調整器 201242228 43第三調整器 45誤差放大器 47脈波寬度調變控制電路 50切換式降壓隔離電路 61調光電路 44乘法器 46比較器 48開關 60驅動處理電路 62回授電路Table 2 Company unit rate 36W~ Load power consumption (W) 72W_ Stable operating temperature (°C) This patent W 55 °C Philips (William) W 75 °C Ming Wei Enterprise Co., Ltd. 75 W 70 °C Table 3 - - Output power 72W~100W Company unit load power consumption (W) Circuit stable operating temperature (°C) This patent 100 W 60 °C Philips 100 W 75 °C Ming Wei Enterprise Co., Ltd. 100 W 70 eC or more Preferred embodiments and design drawings of the invention, but the preferred embodiment and the design drawings are only for the purpose of the invention, and the technical scope of the invention is the same as the technical means of equalization, or the following "patent application" The scope of the invention is not limited to the scope of the invention. A diagram of the circuit architecture of the present invention is shown in Figure 1. Figure 2 is a block diagram of the circuit architecture of the present invention; Circuit diagram of the present invention. [Main component symbol description] 20 EMI wave circuit 4〇 active power factor correction circuit 42 second regulator 10 driven device 30 AC/DC conversion circuit 41 first regulator 201242228 43 third regulator 45 Error put 47 pulse width modulation control circuit 50 switch-mode buck isolation circuit 61 the light adjusting circuit 44 the multiplier 46 comparator 48 switches processing circuit 60 drives a feedback circuit 62