M368113 五、新型說明： 【新型所屬之技術領域】 本創作係關於-種被動式功率因數校正電路及電源供 應電路’尤指一種可降低譜波失真之被動式功率因數校： 電路以及具有該被動式功率因數校正電路之電源供應電 路。 匕M368113 V. New description: [New technical field] This is a passive power factor correction circuit and power supply circuit, especially a passive power factor correction circuit that reduces spectral distortion: and the passive power factor Correction circuit power supply circuit. dagger
【先前技術】 對於輸入電源的功 以低功率輸出之電源供應器而言 率因數校正作法可採用以下兩種作法 、 π型（LC)渡波電路：_般是將含有氣㈣鋼片形式 的電感串連在電源輪入端，或配合電容構& lc型或冗型 低通濾波器，.淮此類型的濾波電路要求大體積的電感，： 整體相當笨重。所能達成的功因值約〇·7纟右，對於嚴格 功因要求的應用便無法適用。 2.被動式功因校正電路：請參閱第三圖所示，輪入電 源經過一橋式整流器(4〇)整流處理後，係輪出至一被動式 功率因數校正電路（42)。該被動式功率因數校正電路（42) 包含有兩電容（C2)(C3)與三個二極體（D9)(d1〇)(D1i)，其 功因值較傳統的π型濾波器更佳’功因值約可提高至 • 8 0.9 |改善功率因數的原理在於橋^整流器（4〇)之輸 出端後跨接電容器(C2)(C3)做為储能之用，所以當輸入電 壓若高於兩電容(C2)(C3)的電壓之和時，則輸入電源對兩 電容（C2)(C3)充電。 3 w M368113 請參考第四圖所示，係於輸入電源處測量其輸入電流 之波形’譜波失真（Harmonic Distortion)可表示為 mD = t+j^+…pF= 12 rms ms 7™丨，而功因值為 ^(7：^)2+1)。由圖中可 看出輸入電流在電壓正、負峰值之處具有顯著的畸變，此 處之電流也正是輸入電源對電容（C2)(C3)充電之時，故此 種架構之諧波失真將會較高。 ▼ 請參考第五圖所示，為另一種習知被動式功率因數校 φ 正電路。亦是在一橋式整流器（50)的輸出端連接一被動式 功率因數校正電路（52)，該被動式功率因數校正電路（52) 中包含有三個電感（L1)(L2)(L3)，利用三個電感（L1)(L2)(L3) 將輸入電流的相位改變，以改善其輸入之功因值，然而該 裝置之電感（L1)(L2)(L3)仍要求具有高感量，以在低頻電流 中作為扼流圈之用’故電感(L1)(L2)(L3)體積無法有效地縮[Prior Art] For the power supply of the input power supply with low power output, the rate factor correction method can adopt the following two methods: π-type (LC) wave-wave circuit: _Generally, the inductor in the form of a gas (four) steel sheet Connected in series with the power supply terminal, or with a capacitor structure & lc type or redundant low-pass filter, this type of filter circuit requires a large volume of inductance, the whole is quite bulky. The value of the work that can be achieved is about 纟·7纟 right, and the application for strict performance requirements cannot be applied. 2. Passive power factor correction circuit: As shown in the third figure, after the wheeled power is rectified by a bridge rectifier (4〇), it is turned to a passive power factor correction circuit (42). The passive power factor correction circuit (42) comprises two capacitors (C2) (C3) and three diodes (D9) (d1〇) (D1i), which have better power factor values than conventional π-type filters' The power factor can be increased to ~ 8 0.9 | The principle of improving the power factor is that the output of the bridge rectifier (4〇) is connected to the capacitor (C2) (C3) for energy storage, so if the input voltage is high, When the sum of the voltages of the two capacitors (C2) (C3), the input power source charges the two capacitors (C2) (C3). 3 w M368113 Please refer to the fourth figure, the waveform of the input current measured at the input power source. The Harmonic Distortion can be expressed as mD = t+j^+...pF= 12 rms ms 7TM丨, The power factor is ^(7:^)2+1). It can be seen from the figure that the input current has significant distortion at the positive and negative peaks of the voltage. The current here is also the time when the input power supplies the capacitor (C2) (C3), so the harmonic distortion of this architecture will be Will be higher. ▼ Please refer to the fifth figure for another conventional passive power factor correction φ positive circuit. A passive power factor correction circuit (52) is also coupled to the output of a bridge rectifier (50). The passive power factor correction circuit (52) includes three inductors (L1) (L2) (L3), utilizing three Inductance (L1) (L2) (L3) changes the phase of the input current to improve the input power factor, however the device's inductance (L1) (L2) (L3) still requires high sensitivity to the low frequency The current is used as a choke coil', so the inductance (L1) (L2) (L3) volume cannot be effectively reduced.
【新型内容】 因數校正電路存 因此，本創作之 而可降低諧波失 根據前述說明可知，現有被動式功率 在有高諧波失真或電感體積龐大等缺點。 主要目的係提供一種不須使用電感元件， 真之被動式功率因數校正電路。 正電路係連接於一直流輸 本創作之被動式功率因數校 出端與一接地端，其包含有： —第一臂串連線路， 極體之陰極而構成，該第 係以一第一電容串連於一第一二 一電容之另端與第一二極體之陽 4 t M368113 極分別連接該直流輸出端及接地端； 一第二臂串連線路，伟 你以—第二電容串連—一 肢之陽極而構成，該第二電容 __ 为別連接該接地端與該直流輸出端； =和 其中，於該第一二極體陰極盥-志碴古 咕一 〇第—極體1w極之間係 一第二二極體與一抑流電阻。 當電流流經該第一電宠盥贫 位於而登虫“電容時’亦會同時經過 位於兩#串連線路之間的兩 ..Α,, '丨L包阻，於對應輸入電壓峰值 之處的輸入電流受此抑流電變 盔日日站而丄 制故可變得更為平順而 …月顯大波’從而降低諧波失直 • 天具並長：咼功率因數值。 本創作之另一目的係提供—比 應電路，其包含有： _具低㉔波失真的電源供 一交流電源； 一橋式整流器，係i車蛀认^ ^ 整流器呈；# ^ ;父 '机電源之輸出端，該橋式 ，丨L益具有一輸出端及一接地端； —被動式功率因激妨f兩Μ ^ ^ 扠毛路，係連接於該橋式整汽哭 之輸出端及接地端，其包含有： 衢式正"丨 _ w u Τ 丈 一極體之陰極而構成，兮笛 再取°亥弟—電容之另端與第一 之陽極分別連接該輸出端及接地端； 一 -第_臂串連線路’係以一第二電容串連二 極體之陽極而構成，該第 队上' 私谷之另埏與第二二極體 陰極/刀別連接該接地端與該輪出端；及 其中’於該第一二極體陰極與第 係串連有一箆--托财rt 位版1%極之 弟—極組與—抑流電阻； 第-臂串連線路，係以一第一電容串連於一第一 極 ，M368113 一輪出電容，係與該被動式功率因數校正電路 其：’該輸出電容之一端連接該輸出端，該輸出電容之另 一端連接該接地端。 另 【實施方式】 請參考第一圖所示，為—雷、、塔# &壯w 電路 1 两罨源供應裝置之詳細 圖，包含有： '、、 一交流電源（11); ;-橋式整流器（12)’係、連接於交流電源⑴）之輪出端， 該橋式整流器（12)是由四顆二極體構成具有—輸出端（叫 及一接地端（12b)之全橋式整流電路； -被動式功率因數校正電路（2Q)，係連接於該橋式整 流器（12)之輸出端（12a)與接地端（12b)，該被動式功率因 數校正電路（20)包含―第—電容（21)、—第—二極體⑵）、 -第二電容（23)、-第二二極體（24)、一抑流電阻（25)及一 第三二極體（26)。 ,其中第一電容（21)與第一二極體（22)之陰極相連接而 形成第-臂串連線路，1第—電容（21)之另端與第—二極 體（22)之陽極分別冑接橋式整流器（12)之輸出端（彳a)及接 地端（12b)。 第二電容（23)與第 第二臂串連線路，且第 二二極體（24)之陽極相連接而形成 二電容（23)與第二二極體（24)之陰 極分別連接該接地端（12b)與橋式整流器（12)之輪出端 (12a)。 該抑流電阻（25)與第 三二極體（26)係串連於第一二極 6 M368113 體（22)之陰極與第二：極體（24)之陽極中間。 該被動式功率因數校正電路（2〇)可並連有-輸出電容 (30) 4輸出電谷（3〇)_端連接輸出端（心），另—端係連 接接地端（12b) ’於輪出電容（3Q)兩端可供負載（32)連接。 在别述電路架構之下，當交流電源（11)的電壓低於第 -電谷（21)與第二電容（23)之電塵總和時，該第三二極體 (26)形成開路，此時輸入電流並不會流經第一電容⑵）與 第一電广(23) ’但是當交流電源⑴)的電壓高於第一電容 (_)二第一電合（23)兩者之電壓總和時，則輸入電流將會 第-電容(21)與第二電容(23)，料位於電流迴路上 =流n(25)將抑制流經第—電容（21)與第二電容（23)的 电"丨L .印dsm(对)一匕⑼⑺-匕⑽⑹Μ，故輸入電流的峰 值電流將有效地被抑制。 如第二圖所示’實際量測該輸入電流時，可發現在對 應電壓峰值之處的電流明顯變得較為平順，無明顯突波， 由於咕波失真可加以降低，功率因數值相對提高。 【圖式簡單說明】 第—圖：係本創作之詳細電路圖。 第二圖：係本創作之輪入電流波形圓。 第三圖：係一習知被動式功率因數校正電路之電路 :四圖：係第三圖之所示電路之輸入電流波形圖。 弟五圖：係、另一習知被動式功率因數校正電路之電路 M368113 【主要元件符號說明】 (11)交流電源 (12)橋式整流器 (12a)輸出端 （12b)接地端 (20) 被動式功率因數校正電路 (21) 第一電容 （22)第一二極體 (23)第二電容 (24)第二二極體 (25)抑流電阻 (26)第三二極體 (30)輸出電容 (32)負載 (40)(50)橋式整流器 (42)(52)被動式功率因數校正電路[New content] Factor correction circuit exists Therefore, this creation can reduce harmonic loss. According to the above description, the existing passive power has disadvantages such as high harmonic distortion or large inductor volume. The main objective is to provide a passive power factor correction circuit that does not require the use of inductive components. The positive circuit is connected to the passive power factor detecting end and the grounding end of the present invention, and comprises: a first arm series circuit, a cathode of the pole body, the first system is a first capacitor string Connected to the other end of the first two-one capacitor and the first diode of the first diode 2 t M368113 pole respectively connected to the DC output terminal and the ground terminal; a second arm series connection, Wei you - the second capacitor series a second electrode __ is connected to the ground terminal and the DC output terminal; = and wherein the first diode body A second diode and a current suppressing resistor are connected between the 1w poles. When the current flows through the first electric pet, the "capacitance" will also pass through the two ..Α,, '丨L blocking resistance between the two # series connected lines, at the peak of the corresponding input voltage. The input current at this point can be made smoother by the suppression of the current transformer, and it can be made smoother...the moon is large and the wave is reduced, thus reducing the harmonics and straightening. Another purpose is to provide a corresponding circuit, which comprises: _ a power supply with low 24 wave distortion for an AC power supply; a bridge rectifier, which is a vehicle 蛀 ^ ^ ^ rectifier is presented; # ^ ; parent 'machine power output End, the bridge type, the 丨L benefit has an output end and a ground end; - the passive power is caused by the f Μ ^ ^ fork hair path, which is connected to the output end of the bridge type steaming crying and the grounding end, Including: 衢式正正"丨_ wu Τ zhang, the pole of the pole body is formed, and the whistle is taken again. Haidi - the other end of the capacitor and the first anode are respectively connected to the output end and the ground end; The _arm series circuit is formed by connecting a second capacitor in series with the anode of the diode, and the team is on the private valley. Another 埏 is connected to the second diode cathode/knife to the ground end and the wheel end; and wherein the first diode body and the first series are connected in series with a 箆--Tuo rt rt version 1% pole The brother-pole group and the current-suppressing resistor; the first-arm series circuit is connected to a first pole by a first capacitor, and the M368113 is a round-out capacitor, and the passive power factor correction circuit is: One end of the capacitor is connected to the output end, and the other end of the output capacitor is connected to the ground end. [Embodiment] Please refer to the first figure, for the two supply devices of the lightning, the tower # & The detailed diagram includes: ', an AC power supply (11); ;-bridge rectifier (12)', connected to the AC power supply (1)), the bridge rectifier (12) is composed of four The diode constitutes a full bridge rectifier circuit having an output terminal (called a ground terminal (12b); a passive power factor correction circuit (2Q) connected to an output terminal (12a) of the bridge rectifier (12) And the ground terminal (12b), the passive power factor correction circuit (20) includes a "first" capacitor ( 21), a first diode (2), a second capacitor (23), a second diode (24), a current suppressing resistor (25) and a third diode (26). The first capacitor (21) is connected to the cathode of the first diode (22) to form a first-arm series connection, and the other end of the first capacitor (21) and the anode of the second diode (22) are respectively The output terminal (彳a) and the ground terminal (12b) of the bridge rectifier (12) are connected. The second capacitor (23) is connected in series with the second arm, and the anode of the second diode (24) is connected. The cathodes forming the two capacitors (23) and the second diodes (24) are respectively connected to the ground terminal (12b) and the wheel terminal (12a) of the bridge rectifier (12). The suppression resistor (25) and the third diode (26) are connected in series between the cathode of the first diode 6 M368113 body (22) and the anode of the second pole body (24). The passive power factor correction circuit (2〇) can be connected with an output capacitor (30). 4 output electric valley (3〇) _ end connection output end (heart), and the other end is connected to the ground end (12b) 'in the wheel Both ends of the output capacitor (3Q) can be connected to the load (32). Under the circuit structure, when the voltage of the alternating current power source (11) is lower than the sum of the electric dust of the first electric valley (21) and the second electric energy (23), the third diode (26) forms an open circuit. At this time, the input current does not flow through the first capacitor (2)) and the first power (23) 'but when the AC power (1)) is higher than the first capacitor (_) and the first (23) When the voltage is summed, the input current will be the first capacitor (21) and the second capacitor (23). The current is on the current loop = the flow n(25) will suppress the flow through the first capacitor (21) and the second capacitor (23). The electric current "丨L.print dsm (pair) one 匕(9)(7)-匕(10)(6)Μ, so the peak current of the input current will be effectively suppressed. As shown in the second figure, when the input current is actually measured, it can be found that the current at the peak of the corresponding voltage becomes significantly smoother, and there is no obvious glitch. Since the chopping distortion can be reduced, the power factor value is relatively increased. [Simple description of the diagram] The first picture: is the detailed circuit diagram of this creation. The second picture: the round current waveform of this creation. The third figure is a circuit of a conventional passive power factor correction circuit: four figures: the input current waveform diagram of the circuit shown in the third figure. Five Diagrams: Another circuit of the conventional passive power factor correction circuit M368113 [Description of main components] (11) AC power supply (12) Bridge rectifier (12a) Output (12b) Ground (20) Passive power Factor correction circuit (21) first capacitor (22) first diode (23) second capacitor (24) second diode (25) suppression resistor (26) third diode (30) output capacitor (32) Load (40) (50) Bridge Rectifier (42) (52) Passive Power Factor Correction Circuit