A7 B7 經濟部中央標準局貝工消费合作社印袈 五、發明説明（1 ) 本發明係有關一種切換式電源轉換器雙直流輸出級之 電路系統，其中，該電路系统之兩獨立輸出級之間併用一 切換元件，而仍能保有原兩獨立輪出級之電路特性。 就習知之切換式電源轉換器雙直流輸出級之電路系統 而言，其使用兩個獨立直流/直流轉換器。這兩個獨立直流 /直流轉換器都並聯連接至供應整個電路系統所需之直流 電源供應器。 底下將先提出幾種習知技術中常用的直流/直流轉換 器及這些直流/直流轉換器間之連接關係，藉此來討論習知 技術之缺點。 攀1圖至第6圖中分別爲習知技術中常用的直流/直流 轉換器之基本電路圖。其中，第1圖爲Buck轉換器之基本 電路圖；第2圖爲Boost轉換器之基本電路圖；第3圖爲 Buck-Boost轉換器之基本電路圖；第4圖爲喬克轉換器之 基本電路圖；第5圖爲Zeta轉換器之基本電路圖；以及第 6圖爲Sepic轉換器之基本電路圖。 在第1圖之Buck轉換器之基本電路圖中，10代表直 流電源供應器；11代表切換元件，可爲BJT，MOSFET， IGBT或其他具有導引電流或阻隔電壓之相類似元件；12 代表二極體；13代表電感；14代表電容。 在第2圖之Boost轉換器之基本電路圖中，20代表直 流電源供應器；21代表切換元件，可爲BJT，MOSFET， IGBT或其他具有導引電流或阻隔電壓之相類似元件；22 代表二極體；23代表電感；24代表電容。 (請先閲讀背面之注意事項再填寫本頁) 本紙張尺度適用中國國家標準（CNS > A4規格（210X 297公釐） A7 B7 經濟部中央橾準局貝工消費合作社印裝 五、發明説明（2) 在第3圖之Buck-Boost轉換器之基本電路躅中，30 表直流電源供應器；31代表切換元件，可爲BJT， MOSFET，IGBT或相類似元件；32代表二極體；33代表 電感；34代表電容。 在第4圖之喬克轉換器之基本電路圖中，4〇表直流電 源供應器；41代表切換元件，可爲BJT，MOSFET，IGBT 或相頰似元件；42代表二極體；43，44代表電感；45， 46代表電容。 在第5圖之Zeta轉換器之基本電路圖中，50表直流 電源供應器；51代表切換元件，可爲BJT，MOSFET， IGBT或相類似元件；52代表二極體；53，54代表電感； 55，56代表電容。 在第6圖之Sepic轉換器之基本電路圖中，60表直流 電源供應器；61代表切換元件，可爲BJT，MOSFET， IGBT或相類似元件；62代表二極體；63，64代表電感； 65，66代表電容。 接下來，將對上述六個習知電路中之Buck+Zeta與 Zeta+Buck-Boost所合成之雙直流輪出級來了解習知技術 之缺點^ 請參考第7圖’其爲Buck+Zeta所連接而成之雙直流 輸出級之電路圖。其中，700代表直流電源供應器；701 代表Buck轉換器，702代表Zeta轉換器；703，704代表 切換元件；705，706代表二極體；707，708，709代 表電感；710，711，712代表電容：713代表第一直流 {請先《讀背面之注f項再填寫本頁) 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） M濟部中央標準局貝工消费合作社印裝 A7 B7 五、發明説明（3 ) 負栽；714代表第二直流負載。 諸參考第8圏’其爲Zeta+Buck-Boost所連接而成之雙 直流輪出級之電路圖。其中，800代表直流電源供應器； 801代表Zeta轉換器，802代表Buck-Boost轉換器； 803，804代表切換元件；805，806代表二極體；807， 808 ’ 809代表電感；810，811，812代表電容；813代 表第一直流負載；814代表第二直流負载。 在第7圖與第8圖中，很明顯可看出上述兩個習知琴 術都需要2個切換元件（也就是第7圖的703，704與第8 圖的803，804)。一般而言，切換元件乃屬十分昂貴之元 件’哼電路之成本有相當的影響。但因高成本會削弱了習 知技術之就爭力❶且習知技術若爲多直流輸出級時，會需 要更多控制電路與驅動電路，因而造成了電路之繁雜性。 有鑑於此，本發明之目的在於提供一種切換式電源轉 換器雙直流輸出級之電路系統，該系统不但可節省切換元 件，控制電路與驅動電路之使用，更可使各輸出級皆具單 獨穩壓之功能。 爲讓本發明之上述目的、特徵、和優點能更明顯易懂， 下文特舉較佳實施例，並配合所附圖式，作詳細説明如下： 囡式之簡單説明： 第1圖爲Buck轉換器之基本電路圖； 第2圖爲Boost轉換器之基本電路圖； 第3阖爲Buck-Boost轉換器之基本電路圖； 第4圏爲齋克轉換器之基本電路圖； ----^---Μ--Γ 裝--.-------訂------ 1 « (請先閲讀背面之注意Ϋ項再填寫本頁) A7 A7 經濟部中央梂隼局貞工消費合作社印裂 _B7__ 五、發明説明（4 ) 第5圖爲Zeta轉換器之基本電珞屬； 第6圖爲Sepic轉換器之基本電珞圖； 第7圖爲習知技術中以Buck+Zeta爲雙直據#與級之 電路圖； 第8圖爲習知技術中以Zeta+.Buck-Boost爲雙直流輸 出級之電路圖； 第9圖爲本發明第一實施例之系統電路圖； 第10固爲本發明第二實施例之系統電路圖； 第11圖爲本發明第三實施例之系統電路圖； 第12圖爲本發明第四實施例之系統電路固； 等13圖爲本發明第五實施例之系統電路圖；以及 第14圖爲本發明第六實施例之系統電路圖。 [符號説明] 901 〜Buck 轉換器；902，1001，1101，1102〜Zeta 轉換器；1002〜Buck-Boost轉換器；1201〜Boost轉換器， 1202，1301，1302，1401 〜Sepic 轉換器；1402〜喬克轉 換器* 實施例 本發明係藉由省略第二直流輪出級轉換器中之切換元 件，而使第二直流輸出級併用第一直流輸出級之切換元 件。並將具有導引電流或阻隔電壓作用之二極體連接於第 一直流輸出級與第二直流輸出級所併用之切換元件上，來 形成雙直流輸出級之電路系統。 底下，本發明對分別針對Buck轉換器+Zeta轉換器； 表紙張(CNS)娜 (請先閲讀背面之注f項再填窝本頁}A7 B7 Printed by the Central Standards Bureau of the Ministry of Economic Affairs, Peigong Consumer Cooperatives. 5. Description of the invention (1) The present invention relates to a circuit system of a switching power converter with dual DC output stages, in which between two independent output stages of the circuit system A switching element is used while still maintaining the circuit characteristics of the original two independent wheels. As far as the circuit system of the conventional switching power converter with dual DC output stages is concerned, it uses two independent DC / DC converters. These two independent DC / DC converters are connected in parallel to the DC power supply needed to supply the entire circuit system. In the following, the DC / DC converters commonly used in several conventional technologies and the connection relationship between these DC / DC converters will be proposed first to discuss the disadvantages of the conventional technologies. Figures 1 to 6 are the basic circuit diagrams of DC / DC converters commonly used in the conventional technology. Among them, Figure 1 is the basic circuit diagram of the Buck converter; Figure 2 is the basic circuit diagram of the Boost converter; Figure 3 is the basic circuit diagram of the Buck-Boost converter; Figure 4 is the basic circuit diagram of the Jock converter; Figure 5 is the basic circuit diagram of the Zeta converter; and Figure 6 is the basic circuit diagram of the Sepic converter. In the basic circuit diagram of the Buck converter in Figure 1, 10 represents a DC power supply; 11 represents a switching element, which can be a BJT, MOSFET, IGBT or other similar component with a conducting current or a blocking voltage; 12 represents a dipole Body; 13 represents inductance; 14 represents capacitance. In the basic circuit diagram of the Boost converter in Figure 2, 20 represents a DC power supply; 21 represents a switching element, which can be a BJT, MOSFET, IGBT or other similar component with a guiding current or blocking voltage; 22 represents a two-pole Body; 23 represents inductance; 24 represents capacitance. (Please read the precautions on the back before filling this page) This paper size is applicable to Chinese national standards (CNS > A4 size (210X 297 mm) A7 B7 Printed by the Central Bureau of Standards, Ministry of Economic Affairs, Shellfish Consumer Cooperatives) (2) In the basic circuit 躅 of the Buck-Boost converter in Figure 3, 30 represents a DC power supply; 31 represents a switching element, which can be a BJT, MOSFET, IGBT or similar element; 32 represents a diode; 33 Represents inductance; 34 represents capacitance. In the basic circuit diagram of the Jock converter in Figure 4, 40 represents a DC power supply; 41 represents a switching element, which can be a BJT, MOSFET, IGBT, or phase-like element; 42 represents two Polarity body; 43, 44 represent inductance; 45, 46 represent capacitance. In the basic circuit diagram of Zeta converter in Figure 5, table 50 is a DC power supply; 51 represents a switching element, which can be BJT, MOSFET, IGBT or similar Components: 52 represents the diode; 53,54 represents the inductance; 55, 56 represents the capacitance. In the basic circuit diagram of the Sepic converter in Figure 6, the table 60 is the DC power supply; 61 represents the switching component, which can be BJT, MOSFET , IGBT or similar Like components; 62 represents the diode; 63, 64 represents the inductance; 65, 66 represents the capacitance. Next, the dual DC wheels synthesized by Buck + Zeta and Zeta + Buck-Boost in the above six conventional circuits will be output. Level to understand the shortcomings of the conventional technology ^ Please refer to Figure 7 'It is a circuit diagram of a dual DC output stage connected to Buck + Zeta. Among them, 700 represents a DC power supply; 701 represents a Buck converter, and 702 represents Zeta Converter; 703, 704 represents the switching element; 705, 706 represents the diode; 707, 708, 709 represents the inductance; 710, 711, 712 represents the capacitance: 713 represents the first direct current {please read "Note f on the back" first (Fill in this page again) This paper size is in accordance with Chinese National Standard (CNS) A4 (210X297 mm) M Printed by the Central Bureau of Standards of the Ministry of Economic Affairs, Shellfish Consumer Cooperatives, printed A7 B7 V. Description of the invention (3) Load; 714 represents the second DC load. References No. 8 圏 ′ is a circuit diagram of a dual DC wheel output stage connected by Zeta + Buck-Boost. Among them, 800 stands for DC power supply; 801 stands for Zeta converter, 802 stands for Buck-Boost converter; 803, 804 stands for switching element; 805, 806 stands for diode; 807, 808 '809 stands for inductance; 810, 811, 812 represents a capacitor; 813 represents a first DC load; and 814 represents a second DC load. In Figures 7 and 8, it is clear that both of the above-mentioned conventional piano techniques require two switching elements (ie, 703,704 in Figure 7 and 803,804 in Figure 8). Generally speaking, the switching element is a very expensive element and the cost of the circuit has a considerable impact. However, the high cost will weaken the competitiveness of the conventional technology, and if the conventional technology is a multi-DC output stage, more control circuits and driving circuits will be required, thus causing the complexity of the circuit. In view of this, the object of the present invention is to provide a circuit system of dual DC output stages of a switching power converter, which not only saves switching elements, the use of control circuits and driving circuits, but also enables each output stage to be individually stable. Pressure function. In order to make the above-mentioned objects, features, and advantages of the present invention more comprehensible, the following exemplifies a preferred embodiment and describes it in detail with the accompanying drawings as follows: Brief description of the formula: Figure 1 shows Buck conversion The basic circuit diagram of the converter; Figure 2 is the basic circuit diagram of the Boost converter; Figure 3 is the basic circuit diagram of the Buck-Boost converter; Figure 4 is the basic circuit diagram of the Zaik converter; ---- ^-M --Γ Install --.------- Order ------ 1 «(Please read the note on the back before filling out this page) A7 A7 Printed by Zhengong Consumer Cooperative, Central Bureau of the Ministry of Economic Affairs Crack _B7__ V. Description of the invention (4) Figure 5 shows the basic electrical characteristics of the Zeta converter; Figure 6 shows the basic electrical characteristics of the Sepic converter; Figure 7 shows the conventional technology with Buck + Zeta as double Straight data # and the circuit diagram of the stage; Fig. 8 is a circuit diagram of the conventional technology using Zeta +. Buck-Boost as the dual DC output stage; Fig. 9 is a circuit diagram of the system of the first embodiment of the present invention; System circuit diagram of the second embodiment; FIG. 11 is a system circuit diagram of the third embodiment of the present invention; FIG. 12 is a fourth embodiment of the present invention Solid system circuit; et graph 13 a circuit diagram of a fifth embodiment of the system of the present invention; and a second graph 14 of the system circuit diagram showing a sixth embodiment of the present invention. [Symbol description] 901 ~ Buck converter; 902, 1001, 1101, 1102 ~ Zeta converter; 1002 ~ Buck-Boost converter; 1201 ~ Boost converter, 1202, 1301, 1302, 1401 ~ Sepic converter; 1402 ~ Jock Converter * Example The present invention uses the switching element of the first DC output stage in combination with the second DC output stage by omitting the switching element in the second DC wheel out-of-stage converter. A diode having a function of guiding current or blocking voltage is connected to a switching element used in combination with the first DC output stage and the second DC output stage to form a circuit system of dual DC output stages. Below, the present invention is directed to Buck converter + Zeta converter respectively; Sheet (CNS) Na (Please read the note f on the back before filling in this page}
、-IT c. A7 B7 五、發明説明（5 )、 -IT c. A7 B7 V. Description of the invention (5)
Zeta轉換器+Buck-Boost轉換器；Zeta轉換器+Zeta轉換 器；Boost轉換器+Sepic轉換器；Sepic轉換器+Sepic轉換 器；Sepic轉換器+喬克轉換器所形成的本發明之六個實 施例之雙直流輸出級轉換器之詳細操作來顯示本發明之動 作與優點。 第一實施例 請參考第9圖，其爲本發明第一實施例之系統電路 圖。本發明之第一實施例係利用Buck轉換器+Zeta轉換器 相連接而成之雙直流輸出級。在第9圖中，900代表直流 電源供應器；901代表Buck轉換器，902代表Zeta轉換 器；903代表切換元件，可爲BJT，MOSFET，IGBT或 其他具有導引電流或阻隔電壓之相類似元件；904 ， 905，906代表二極體；907，908，909代表電感； 910，911，912代表電容；913代表第一直流負栽；914 代表第二直流負载。 經濟部中央標準局貝工消费合作社印装 (請先閲讀背面之注f項再填寫本頁) 比較習知電路之第1圖（其爲Buck轉換器之電路圖）， 第5圖（其爲Zeta轉換器之電路圖）與第9圖，很明顯可看 出第二直流輸出級（也就是Zeta轉換器）之切換元件（如第5 圖中的51)被省略，而另外增加具導引電流與阻隔電壓之 二極體905與Buck轉換器901之切換元件903相連接。 底下，將討論本發明第一實施例之動作。 當切換元件903導通時，二極體904及二極體906將 截止，而二極體905將導通。此時，直流電源經由切換元 件903及電感909而傳送至第一直流電載913。而另一路 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） A7 B7 五、發明説明（6 ) 徑爲經由電容911及電感908而傳送邀第二直流負载 914。 當切換元件903截止時，二極體904及二極體906將 導通，而二極體905將截止。此時，原儲存於電感909及 電容910上之能量將釋放至第一直流負栽913。而原先儲 存於電感908及電容912上之能量則釋放至第二直流負載 914 〇 本發明第一實施例藉由上述動作來完成一切換週期。 第二實施例 請參考第10圖，其爲本發明第二實施例之系统電路 圖。丰發明之第二實施例係利用Zeta轉換器+Buck-Boost 轉換器相連接而成之雙直流輸出級。在第10圖中，1000 代表直流電源供應器；1001代表Zeta轉換器，1002代表 Buck-Boost轉換器·· 1003代表切換元件，可爲BJT， MOSFET，IGBT或其他具有導引電流或阻隔電壓之相類 似元件；1004，1005，1006 代表二極體；1007， 1008，1009 代表電感；1010，1011，1012 代表電容； 1013代表第一直流負载；1014代表第二直流負截。 經濟部中央標準局貝工消費合作社印製 (請先閲讀背面之注^^項再填寫本頁) 比較習知電路之第5圖（其爲Zeta轉換器之電路圖）， 第3圖（其爲Buck-Boost轉換器之電路圖）與第10圖，很明 顯可看出第二直流輸出級（也就是Buck-Boost轉換器）之切 換元件（如第3圖中的31)被省略，而另外增加具導引電流 與阻隔電壓之二極體1004於切換元件1003與電容1010之 間。 8 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） 經濟部中央標準局貞工消费合作社印裝 A7 B7 五、發明説明（7 ) 底下，將討論本發明第二實施例之動作。 當切換元件1003導通時，則二極體1004導通，而二 極體1005及二極體1006爲截止。此時，直流電經由切換 元件1003，二極體1004，電容1010及電感1008而傳送 至第一直流負载1013。另一方面，直流電經由電感1009 而傳送至第二直流負載1014。 當切換元件1003截止時，則二極體1004截止，而二 極體1005及二極體1006導通。此時，原先儲存於電感1008 及電容1011之能量則釋放於第一直流負载1013。另一方 面，原先儲存於電感1009及電容1012之能量則釋放於第 二直硃負載1014上。 本發明第二實施例藉由上述動作來完成一切換週期。 第三實施例 請參考第11圖，其爲本發明第三實施例之系统電路 圖。本發明之第三實施例係利用Zeta轉換器+Zeta轉換器 相連接而成之雙直流輸出級。在第11圖中，1100代表直 流電源供應器；1101代表Zeta轉換器，1102代表Zeta轉 換器；1103代表切換元件，可爲BJT，MOSFET，IGBT 或其他具有導引電流或阻隔電壓之相頰似元件；1104， 1105，1106 代表二極體；1107，1108，1109，1110 代 表電感；11Π，1112，1113，1114代表電容；1115代 表第一直流負栽；1116代表第二直流負載。 比較習知電路之第5圖（其爲Zeta轉換器之電路圖）， 與第11圖，很明顯可看出第二直流輸出級1102(也就是Zeta 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） ----Ί--Μ--f 裝--^---^-I1T-----—1C (請先閲讀背面之注意事項再填寫本頁) 經濟部中央揉车局貝工消费合作社印裝 A7 B7 五、發明説明（8 ) 轉換器）之切換元件（如第5齒中的51)被省略，而另外增加 具導引電流與阻隔電壓之二極體1105與Zeta轉換器1101 之切換元件1103相連接。 底下，將討論本發明第三實施例之動作。 當切換元件1103導通時，則二極體1105導通，而二 極體1104與二極雜1106截止。此時，直流電經由切換元 件1103，電容1111及電感1108而傳送至第一直流負载 1115。另一方面，經由二極體1105，電容1113及電感1110 而傳送至第二直流負載1116。 而當切換元件1103截止時，則二極體1105截止，而 二極癉1104及二極體1106則導通，則原先儲存於電感1108 及電容1112上之能量則釋放於第一直流負載1115。而原 先儲存於電感1110及電容1114上之能量則釋放於第二直 流負裁1116 » 本發明第三實施例藉由上述動作來完成一切換週期。 第四實施例 請參考第12圖，其爲本發明第四實施例之系统電路 圖》本發明之第四實施例係利用Boost轉換器+Sepic轉換 器相連接而成之雙直流褕出級。在第12圖中，1200代表 直流電源供應器；1201代表Boost轉換器，1202代表 Sepic轉換器；1203代表切換元件，可爲BJT，M0SFET， IGBT或其他具有導引電流或阻隔電壓之相類似元件； 1204，1205，1206，1207 代表二極體；1208，1209， 1210代表電感；1211，1212，1213代表電容；1214代 10 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公爱） ------τ---τ.----；----,·--IT-----Γ—Γν--------.. (請先閲讀背面之注f項再填寫本頁) 經濟部中央標準局貝工消費合作社印聚 A7 B7 五、發明説明（9 ) 表第一直流負载；1215代表第二直流負栽。 比較習知電路之第2圖（其爲Boost轉換器之電路圖）， 第6圖（其爲Sepic轉換器之電路圖），與第12圖，很明顯 可看出第二直流輸出級1202(也就是Sepic轉換器）之切換 元件（如第6圖中的61)被省略，而另外增加具導引電流與 阻隔電壓之二極體1205，二極體1206與Sepic轉換器1201 之切換元件1203相連接。 底下，將討論本發明第四實施例之動作" 當切換元件1203導通，則二極體1205及二極體1206 導通，而二極體1204及二極體1207則截止。此時，原先 儲存於電容1211上之能量則釋放於第一直流負裁1214 上。而原先儲存於電容1213上之能量則釋放於第二直流負 載1215上。而電感1208及電感1209則由直流電源供應器 1200之供電而儲存能量。 而當切換元件1203截止時，則二極體1205及二極體 1206截止，而二極體1204及二極體1207則導通。此時， 電感1208則經由二極體1204而釋放能量於第一直流負載 1214。另一方面，直流電源則經由電感1209，.電容1212 及二極體1207而傳送能量於第二直流負载。 本發明第四實施例藉由上述動作來完成一切換週期。 第五實施例 請參考第13圖，其爲本發明第五實施例之系統電路 圖。本發明之第五實施例係利用Sepic轉換器+Sepic轉換 器相連接而成之雙直流輸出級。在第13圖中，1300代表 11 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） ----^---Μ-------^—IT------L·. (請先閲讀背面之注$項再填窝本頁) A7Zeta converter + Buck-Boost converter; Zeta converter + Zeta converter; Boost converter + Sepic converter; Sepic converter + Sepic converter; Sepic converter + Jock converter The detailed operation of the dual DC output stage converter of the embodiment shows the actions and advantages of the present invention. First Embodiment Please refer to FIG. 9 which is a system circuit diagram of the first embodiment of the present invention. The first embodiment of the present invention is a dual DC output stage using Buck converter + Zeta converter. In Figure 9, 900 represents a DC power supply; 901 represents a Buck converter, and 902 represents a Zeta converter; 903 represents a switching element, which can be a BJT, MOSFET, IGBT, or other similar component with a guiding current or a blocking voltage. 904, 905, 906 represent diodes; 907, 908, 909 represent inductance; 910, 911, 912 represent capacitance; 913 represents the first DC load; 914 represents the second DC load. Printed by the Central Laboratories of the Ministry of Economic Affairs, Shellfish Consumer Cooperatives (please read the note f on the back, and then fill out this page) Compare the first circuit of the conventional circuit (which is the circuit diagram of the Buck converter), and the fifth circuit (which is the Zeta Converter circuit diagram) and Figure 9, it is obvious that the switching element (such as 51 in Figure 5) of the second DC output stage (that is, the Zeta converter) is omitted, and the additional The blocking voltage diode 905 is connected to the switching element 903 of the buck converter 901. Below, the operation of the first embodiment of the present invention will be discussed. When the switching element 903 is turned on, the diode 904 and the diode 906 are turned off, and the diode 905 is turned on. At this time, the DC power is transmitted to the first DC electric load 913 via the switching element 903 and the inductor 909. On the other hand, this paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) A7 B7 V. Description of the invention (6) The diameter is to transmit the second DC load 914 via the capacitor 911 and the inductor 908. When the switching element 903 is turned off, the diode 904 and the diode 906 are turned on, and the diode 905 is turned off. At this time, the energy originally stored in the inductor 909 and the capacitor 910 will be released to the first DC load 913. The energy originally stored in the inductor 908 and the capacitor 912 is released to the second DC load 914. The first embodiment of the present invention completes a switching cycle by using the above action. Second Embodiment Please refer to FIG. 10, which is a system circuit diagram of a second embodiment of the present invention. The second embodiment of the Feng invention is a dual DC output stage using a Zeta converter and a Buck-Boost converter. In Figure 10, 1000 represents a DC power supply; 1001 represents a Zeta converter; 1002 represents a Buck-Boost converter; 1003 represents a switching element; it can be a BJT, MOSFET, IGBT, or other device with a guided current or a blocking voltage. Similar components; 1004, 1005, 1006 represent diodes; 1007, 1008, 1009 represent inductors; 1010, 1011, 1012 represent capacitors; 1013 represents the first DC load; 1014 represents the second DC negative cut. Printed by Shelley Consumer Cooperative of the Central Standards Bureau of the Ministry of Economic Affairs (please read the note ^^ on the back, and then fill out this page). Compare Figure 5 of the conventional circuit (which is the circuit diagram of the Zeta converter), and Figure 3 (which is Buck-Boost converter circuit diagram) and Figure 10, it is obvious that the switching element (such as 31 in Figure 3) of the second DC output stage (ie, Buck-Boost converter) is omitted, and another addition A diode 1004 having a guiding current and a blocking voltage is between the switching element 1003 and the capacitor 1010. 8 This paper size is in accordance with Chinese National Standard (CNS) A4 (210X297 mm). Printed on A7 B7 by Zhengong Consumer Cooperative, Central Bureau of Standards, Ministry of Economic Affairs. 5. Description of the invention (7) The action of the second embodiment of the present invention will be discussed. . When the switching element 1003 is turned on, the diode 1004 is turned on, and the diode 1005 and the diode 1006 are turned off. At this time, the DC power is transmitted to the first DC load 1013 through the switching element 1003, the diode 1004, the capacitor 1010, and the inductor 1008. On the other hand, the DC power is transmitted to the second DC load 1014 via the inductor 1009. When the switching element 1003 is turned off, the diode 1004 is turned off, and the diodes 1005 and 1006 are turned on. At this time, the energy originally stored in the inductor 1008 and the capacitor 1011 is released to the first DC load 1013. On the other hand, the energy originally stored in the inductor 1009 and the capacitor 1012 is released on the second straight load 1014. The second embodiment of the present invention completes a switching cycle by using the above-mentioned actions. Third Embodiment Please refer to FIG. 11, which is a system circuit diagram of a third embodiment of the present invention. The third embodiment of the present invention is a dual DC output stage using a Zeta converter + a Zeta converter. In Figure 11, 1100 represents a DC power supply; 1101 represents a Zeta converter, 1102 represents a Zeta converter; 1103 represents a switching element, which can be a BJT, MOSFET, IGBT, or other similarly capable of guiding current or blocking voltage. Components; 1104, 1105, 1106 represent diodes; 1107, 1108, 1109, 1110 represent inductors; 11Π, 1112, 1113, 1114 represent capacitors; 1115 represents the first DC load; 1116 represents the second DC load. Comparing Figure 5 of the conventional circuit (which is the circuit diagram of the Zeta converter) and Figure 11, it is clear that the second DC output stage 1102 (that is, the Zeta paper size applies the Chinese National Standard (CNS) A4 specification) (210X297mm) ---- Ί--Μ--f Pack-^ --- ^-I1T ------ 1C (Please read the notes on the back before filling this page) Central Ministry of Economic Affairs A7 B7 printed by the Automobile Bureau Cooperative Consumer Cooperative 5. The switching element (such as 51 in the fifth tooth) of the invention description (8) is omitted, and a diode 1105 with a guiding current and a blocking voltage is additionally added. It is connected to the switching element 1103 of the Zeta converter 1101. Below, the operation of the third embodiment of the present invention will be discussed. When the switching element 1103 is turned on, the diode 1105 is turned on, and the diode 1104 and the diode 1106 are turned off. At this time, the DC power is transmitted to the first DC load 1115 through the switching element 1103, the capacitor 1111, and the inductor 1108. On the other hand, it is transmitted to the second DC load 1116 via the diode 1105, the capacitor 1113, and the inductor 1110. When the switching element 1103 is turned off, the diode 1105 is turned off, and the diode 瘅 1104 and the diode 1106 are turned on, and the energy originally stored in the inductor 1108 and the capacitor 1112 is released to the first DC load 1115. The energy originally stored in the inductor 1110 and the capacitor 1114 is released to the second DC negative cutting 1116 »The third embodiment of the present invention completes a switching cycle by using the above action. Fourth Embodiment Please refer to FIG. 12, which is a circuit diagram of a fourth embodiment of the present invention. A fourth embodiment of the present invention is a dual DC output stage formed by using a Boost converter + a Sepic converter. In Figure 12, 1200 represents a DC power supply; 1201 represents a Boost converter; 1202 represents a Sepic converter; 1203 represents a switching element; it can be a BJT, M0SFET, IGBT, or other similar element with a steering current or a blocking voltage. ; 1204, 1205, 1206, 1207 represent diodes; 1208, 1209, 1210 represent inductors; 1211, 1212, 1213 represent capacitors; 1214 generation 10 This paper size applies Chinese National Standard (CNS) A4 specifications (210X297 public love)- ----- τ --- τ .----; ----, · --IT ----- Γ—Γν -------- .. (Please read the note on the back first Please fill in this page again on f)) Yin Ju A7 B7, Shellfish Consumer Cooperative, Central Bureau of Standards, Ministry of Economic Affairs 5. Description of the invention (9) Table 1 DC load; 1215 represents the second DC load. Comparing Figure 2 of the conventional circuit (which is the circuit diagram of the Boost converter), Figure 6 (which is the circuit diagram of the Sepic converter), and Figure 12, it is obvious that the second DC output stage 1202 (that is, Sepic converter) switching element (such as 61 in Figure 6) is omitted, and a diode 1205 with guiding current and blocking voltage is additionally added, and diode 1206 is connected to the switching element 1203 of Sepic converter 1201 . Below, the operation of the fourth embodiment of the present invention will be discussed. "When the switching element 1203 is turned on, the diode 1205 and the diode 1206 are turned on, and the diode 1204 and the diode 1207 are turned off. At this time, the energy originally stored in the capacitor 1211 is released on the first DC negative cutter 1214. The energy originally stored in the capacitor 1213 is released on the second DC load 1215. The inductor 1208 and the inductor 1209 are powered by the DC power supply 1200 to store energy. When the switching element 1203 is turned off, the diode 1205 and the diode 1206 are turned off, and the diode 1204 and the diode 1207 are turned on. At this time, the inductor 1208 releases energy to the first DC load 1214 via the diode 1204. On the other hand, the DC power supply transmits energy to the second DC load through the inductor 1209, the capacitor 1212, and the diode 1207. The fourth embodiment of the present invention completes a switching cycle by using the above actions. Fifth Embodiment Please refer to FIG. 13, which is a system circuit diagram of a fifth embodiment of the present invention. The fifth embodiment of the present invention is a dual DC output stage formed by using a Sepic converter and a Sepic converter. In Figure 13, 1300 represents 11 paper sizes that are applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) ---- ^ --- M ------- ^-IT ----- -L ·. (Please read the note on the back before filling in this page) A7
五、發明説明（ίο ) 經濟部中央標準局貝工消費合作社印製 直流電源供應器；1301代表Sepic轉換器，1302代表 Sepic轉換器；1303代表切換元件，可爲BJT，MOSFET， IGBT或其他具有導引電流或阻隔電壓之相類似元件； 1304，1305，1306，1307 代表二極體；1308，1309， 1310，1311 代表電感；1312，1313，1314，1315 代表 電容；1316代表第一直流負栽；1317代表第二直流負 載。 比較習知電路之第6圖（其爲Sepic轉換器之電路圖）， 與第13圖，很明顯可看出第二直流输出級ι3〇2(也就是 Sepic轉換器）之切換元件（如第6圖中的61)被省略，而另 外增和具導引電流與阻隔電壓之二極體丨3〇5，二極體1306 與Sepic轉換器1301之切換元件1303相連接。 底下，將討論本發明第五實施例之動作。 當切換元件1303導通時，則二極體1305及二極體1306 則導通，而二極體13〇4及二極體1307則截止。此時，原 先儲存於電容1313上之能量則釋放於第一直流負載 1316 »而原先儲存於電容1315上之能量則釋放於第二直 流負載1317。電感1308及電感1310則經由直流電源供應 器1300之供電而開始儲存能量。 而當切換元件1303截止時，則二極體1305及二極體 1306截止，而二極體1304及二極體1307則導通。此時， 電感1308經電容1312及二極體1304而釋放能量給第一直 流負載1316。電容1313經由直流電源供應器1300而充 電。另的方面，電感1310經由電容1314及二極體1307而 12 本紙張尺度逍用中國國家標準（CNS ) A4規格（210X297公釐） 1 Jlf I '訂— —— ri./lw (請先聞讀背面之注意事項再填寫本頁} A7 B7 經濟部中央標準局員工消费合作社印装 五、發明説明（11 ) 釋放能量給第二直流負载1317。 本發明第五實施例藉由上述動作來完成一切換週期》 第六實施例 請參考第14圖，其爲本發明第六實施例之系统電珞 圖。本發明之第五實施例係利用Sepic轉換器+喬克轉換器 相連接而成之雙直流輸出級。在第14圖中，1400代表直 流電源供應器；1401代表Sepic轉換器，1402代表喬克轉 換器；1403代表切換元件，可爲BJT，MOSFET，IGB]T 或其他具有導引電流或阻隔電壓之相頬似元件；1404， 1405，1406，1407 代表二極體；1408，1409，1410， 1411 代表電感；1412，1413，1414，1415 代表電容； 1416代表第一直流負載；1417代表第二直流負载。 比較習知電路之第6圖（其爲Sepic轉換器之電路圖）， 第4躅（其爲喬克轉換器之電路圖），與第η圖，很明顯可 看出第二直流輸出級1402(也就是喬克轉換器）之切換元件 (如第4圖中的41)被省略，而另外增加具導引電流與阻隔 電壓之二極體1405，二極體1406與Sepic轉換器1401之 切換元件1403相連接。 底下，將討論本發明第六實施例之動作。 當切換元件1403導通時，二極體1405及二極體1406 導通，而二極體1404及二極體1407則截止。此時，原先 儲存於電容1413上之能量則釋放於第一直流負載1416。 而原先儲存於電容1415上之能量則釋放於第二直流負载 1417。而電感1408及電感1410則由直流電源供應器1400 13 本紙張尺度適用中國國家梯準（CNS ) Α4規格（210Χ297公釐） ^^1 I —.1·· HI —^i ^^1 r (請先聞讀背面之注$項再填寫本頁) 訂 經濟部中央標隼局員工消費合作社印聚 A7 B7_^_ 五、發明説明（12 ) 之供電而儲存能量。 另一方面，當切換元件1403截止時，則二極體1405 及二極體1406截止，而二極體1404及二極體1407則截 止。此時，電感1408經由電容1412及二極體1404而釋放 能量於第一直流負載1416。另一方面，電感1410則經由 電容1414及二極體1407而釋放能量給第二直流負载 1417。 本發明第六實施例藉由上述動作來完成一切換週期。 由以上討論可知，本發明利用兩直流輸出級併用一切 換元件之做法不但可節省了昂貴的切換元件之使用，可藉 此大量的降低電路成本。而且本發明仍能保有原來兩獨立 直流輸出級之電路的良好特性，如此，便於使用者於兩直 流輪出級之間做選擇。 因此，本發明不但可降低成本，還具有下列三項優點： 1. 各直流輸出級皆具單獨穩壓之功能； 2. 節省切換元件；以及 3. 節省驅動電路與控制電路。 雖然本發明已以較佳實施例揭露如上，然其並非用以 限定本發明，任何熟習此項技藝者，在不脱離本發明之精 神和範圍内，當可作更動與潤飾，因此本發明之保護範圍 當視後附之申請專利範圍所界定者爲準。 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） -----^----C---- (請先閲讀背面之注$項再填寫本頁) 訂V. Description of the Invention (ίο) The DC Power Supply is printed by the Bayer Consumer Cooperative of the Central Standards Bureau of the Ministry of Economy; 1301 stands for Sepic converter, 1302 stands for Sepic converter; 1303 stands for switching element, which can be BJT, MOSFET, IGBT or other Similar components for guiding current or blocking voltage; 1304, 1305, 1306, 1307 represents diodes; 1308, 1309, 1310, 1311 represents inductance; 1312, 1313, 1314, 1315 represents capacitance; 1316 represents the first DC negative Plant; 1317 represents the second DC load. Comparing Figure 6 of the conventional circuit (which is the circuit diagram of the Sepic converter) and Figure 13, it is obvious that the switching element (such as Figure 6) of the second DC output stage ι302 (that is, the Sepic converter) can be seen. (61) in the figure is omitted, and in addition, a diode with a current guiding and blocking voltage is added. The diode 1306 is connected to the switching element 1303 of the Sepic converter 1301. Next, the operation of the fifth embodiment of the present invention will be discussed. When the switching element 1303 is turned on, the diode 1305 and the diode 1306 are turned on, and the diode 1304 and the diode 1307 are turned off. At this time, the energy originally stored in the capacitor 1313 is released to the first DC load 1316 », and the energy originally stored in the capacitor 1315 is released to the second DC load 1317. The inductor 1308 and the inductor 1310 start to store energy by being powered by the DC power supply 1300. When the switching element 1303 is turned off, the diode 1305 and the diode 1306 are turned off, and the diode 1304 and the diode 1307 are turned on. At this time, the inductor 1308 releases energy to the first DC load 1316 via the capacitor 1312 and the diode 1304. The capacitor 1313 is charged via a DC power supply 1300. On the other hand, the inductor 1310 passes the capacitor 1314 and the diode 1307 and the paper size 12 is in accordance with the Chinese National Standard (CNS) A4 specification (210X297 mm). 1 Jlf I 'Order — —— ri./lw (please listen first Read the notes on the back and fill in this page again} A7 B7 Printed by the Consumer Cooperatives of the Central Standards Bureau of the Ministry of Economic Affairs 5. Description of the invention (11) Release energy to the second DC load 1317. The fifth embodiment of the present invention is completed by the above action A switching cycle "Please refer to Fig. 14 for the sixth embodiment, which is a system electrical diagram of the sixth embodiment of the present invention. The fifth embodiment of the present invention is formed by using a Sepic converter + a Jock converter. Dual DC output stage. In Figure 14, 1400 represents DC power supply; 1401 represents Sepic converter, 1402 represents Jock converter; 1403 represents switching element, which can be BJT, MOSFET, IGB] T or other with guide Similar components of current or blocking voltage; 1404, 1405, 1406, 1407 represents diodes; 1408, 1409, 1410, 1411 represents inductance; 1412, 1413, 1414, 1415 represents capacitance; 1416 represents the first DC load; 1417 generation Table 2 shows the second DC load. Comparing Figure 6 of the conventional circuit (which is the circuit diagram of the Sepic converter), Figure 4 (which is the circuit diagram of the Jock converter), and Figure η, it is obvious that the second The switching element (such as 41 in Figure 4) of the DC output stage 1402 (that is, the Jock converter) is omitted. In addition, a diode 1405 with a steering current and a blocking voltage is added, and the diode 1406 is converted to Sepic. The switching element 1403 of the converter 1401 is connected. The operation of the sixth embodiment of the present invention will be discussed below. When the switching element 1403 is turned on, the diode 1405 and the diode 1406 are turned on, and the diode 1404 and the diode 1407 are turned on. At this time, the energy originally stored in the capacitor 1413 is released to the first DC load 1416. The energy originally stored in the capacitor 1415 is released to the second DC load 1417. The inductor 1408 and the inductor 1410 are DC power supply 1400 13 This paper size is applicable to China National Standard (CNS) A4 size (210 × 297 mm) ^^ 1 I —.1 ·· HI — ^ i ^^ 1 r (Please read the note on the back first (Please fill in this page again) Set the staff consumption of the Central Bureau of Standards of the Ministry of Economic Affairs Zuoshe Yinju A7 B7 _ ^ _ V. Description of the invention (12) The power is stored to store energy. On the other hand, when the switching element 1403 is turned off, the diode 1405 and the diode 1406 are turned off, and the diode 1404 and The diode 1407 is turned off. At this time, the inductor 1408 releases energy to the first DC load 1416 through the capacitor 1412 and the diode 1404. On the other hand, the inductor 1410 releases energy to the second DC load 1417 through the capacitor 1414 and the diode 1407. The sixth embodiment of the present invention completes a switching cycle by using the above actions. It can be known from the above discussion that the method of using two DC output stages and replacing all components in the present invention not only saves the use of expensive switching components, but also reduces the circuit cost by a large amount. Moreover, the present invention still retains the good characteristics of the circuit of the original two independent DC output stages, so that it is convenient for the user to choose between the two DC wheel output stages. Therefore, the present invention not only can reduce costs, but also has the following three advantages: 1. Each DC output stage has the function of independent voltage regulation; 2. Saves switching elements; and 3. Saves driving circuits and control circuits. Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make changes and retouching without departing from the spirit and scope of the present invention. The scope of protection shall be determined by the scope of the attached patent application. This paper size is applicable to China National Standard (CNS) A4 specification (210X297mm) ----- ^ ---- C ---- (Please read the note on the back before filling this page) Order