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TW200820570A - Transforming circuit for power supply - Google Patents

Transforming circuit for power supply Download PDF

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Publication number
TW200820570A
TW200820570A TW95138650A TW95138650A TW200820570A TW 200820570 A TW200820570 A TW 200820570A TW 95138650 A TW95138650 A TW 95138650A TW 95138650 A TW95138650 A TW 95138650A TW 200820570 A TW200820570 A TW 200820570A
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TW
Taiwan
Prior art keywords
potential
power
circuit
power supply
conversion circuit
Prior art date
Application number
TW95138650A
Other languages
Chinese (zh)
Inventor
Shih-An Liang
Ching-Wen Huang
Mao-Sheng Zhuo
Original Assignee
Spi Electronic Co Ltd
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Publication date
Application filed by Spi Electronic Co Ltd filed Critical Spi Electronic Co Ltd
Priority to TW95138650A priority Critical patent/TW200820570A/en
Publication of TW200820570A publication Critical patent/TW200820570A/en

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Abstract

A transforming circuit for power supply includes a primary winding coil; a secondary winding coil and a secondary rectifier circuit, an AC power being transformed by the secondary winding coil in accordance with a winding turns ratio relative to the primary winding coil and converted by the secondary rectifier circuit into a first-potential DC power; N+1 sets of voltage adjustment circuits, connected in parallel with the first-potential DC power. Each set of voltage adjustment circuits use the first-voltage DC power as reference and transforms into N+1 sets of second-voltage DC power with differential potential, N-1. Thereby, DC power at different voltages is provided so that the power output is more flexible and effective.

Description

200820570 / 九、發明說明: - 【發明所屬之技術領域】 r 本發明係有關一種變壓轉換電路,尤其是一種電源供應器之變壓轉換 電路。 【先前技術】 習知電源供應器中,若需輸出+12V,+5V與+3.3V之相異直流電位電 力’則於電源供應器變壓轉換電路之二次側設置三組線圈,每一線圈獨立 供應單一直流電位電力,但此種電源供應器之設計因三組線圈所佔總空間 過大,故會造成使用上的不便。200820570 / IX. Description of the invention: - [Technical field to which the invention pertains] r The present invention relates to a transformer conversion circuit, and more particularly to a transformer conversion circuit of a power supply. [Prior Art] In the conventional power supply, if you need to output +12V, +5V and +3.3V different DC potential power, then set three sets of coils on the secondary side of the power supply transformer conversion circuit, each The coil independently supplies a single DC potential power, but the design of the power supply is too large due to the total space occupied by the three sets of coils, which may cause inconvenience in use.

為此,市面上另有一種電源供應器變壓轉換電路設計,請參閱「第1〜3 圖」所不,分別為習知順向式(Forward)、雙順向式(Dual-F〇rward)、半橋式 (Half-Bndge)之電源供應器,其係設有兩組次級繞組圈5,6,次級繞組圈$ 直接供應+UV電位輸出,而另一次級繞組圈6將電位差較小之價與+㈣ ,位輸出合併由單-次級繞組線圈5供應電力,其巾,+33V電位輸出係由 人、、及、、①、,且圈5利用一具備磁性放大器(Magnetic 迴授控制器π之 控制電路7而輸出+3.3V直流電位電力。 然’上述變壓轉換電路設計之+12V輸出電力受限於價輸出電力,故 ,成其電力效率較差’且於+12V電壓輸出端出現輕重載變化時,將干擾+5v 端之電力職,此外,若是在+3.外輸_現重載而於 塑+3 w r屮出現輕載時,由於此時工作週期㈣cyde)過小,將影 ^之輪岭力目相雜問躺$現異常,造成賴供應器當 或取為防止上述情況而於輸出端設有假負載—一 輪出端^===輸出電力之電路以防止輕重載之干擾,然,上述 供-種以簡易結構二本與製成時間’因此’如何提 已為人們研究的載而影響輸出電力之電源供應器 【發明内容】 本發明之主要目 的’在於提供-種兼具彈性電力供應與電力效率之電 5 200820570 源供應器變壓轉換電路,係運用輸出第一 電位調整電路輸出第二電位直流 電力以達到彈性電力供應之效果。 轉換的’本發Ί提供—觀祕應11之懸轉換,該變壓 =!=. 一組線圈;—次級繞組、_及-次級整流電路, 路韓職她齡細以—陳崎麵_她整流電 電位直流電力;N+1組電位調整電路,係並聯連接於該第 並該母域侧整魏⑽第—紐錢電力絲準電力 並髓為減電位之㈣組第二電位直流電力,該。To this end, there is another power supply transformer conversion circuit design on the market. Please refer to the "1st to 3rd drawings". They are Forward, Dual-F〇rward, Half-Bndge power supply with two sets of secondary windings 5,6, secondary windings $ directly supply +UV potential output, and the other secondary winding 6 will have a small potential difference The price and + (four), the bit output is combined by the single-secondary winding coil 5 to supply power, the towel, +33V potential output is by human, , and, 1, and the circle 5 utilizes a magnetic amplifier (Magnetic feedback) The control circuit 7 of the controller π outputs +3.3V DC potential power. However, the +12V output power of the above-mentioned variable voltage conversion circuit is limited by the output power of the price, so that its power efficiency is poor' and the voltage is output at +12V. When there is a light and heavy load change, it will interfere with the power position of the +5v end. In addition, if it is in the +3. outside the _ heavy load and the light load in the plastic +3 wr屮, because the work cycle (four) cyde) is too small, Putting the shadow of the wheel in the direction of the eye, it is abnormal, causing the supply to be taken or prevented. In the case of the output, there is a dummy load—one round of the output ^=== circuit for outputting power to prevent interference from light and heavy loads. However, the above-mentioned supply and delivery are based on the simple structure and the production time 'so' The main purpose of the present invention is to provide an electric power supply and power efficiency of a power supply 5 200820570 source supply transformer conversion circuit, the use of output A potential adjustment circuit outputs a second potential DC power to achieve an elastic power supply effect. The conversion of the 'this hairpin provides - the secret of the lock should be 11 conversion, the transformation ===. A set of coils; - secondary winding, _ and - secondary rectifier circuit, Lu Han, her age is fine - Chen Qi Surface _ her rectified electric potential DC power; N+1 group potential adjustment circuit, connected in parallel with the second side of the parent domain (W), the first Wei (10) first - New Qian power wire quasi-electric power and the marrow is the potential reduction (four) group second potential DC power, that.

【實施方式】 = 有關本發明之詳細·及技_容,觀配合赋說明如下·· 意圖請參閱「第4圖」所示,係為本發明—第—較佳實施例之架構方塊示 括有本發_有_—種電源供應器之變壓轉換電路,該變壓轉換電路包 -内設於變壓器10之初級繞組線圈i,係取得電力源之交流電力; -内設於變壓器10之單-次級繞組線圈2及_次級整流電路3,係由 _人級繞組細2械該她敝細丨以—隨比懸並賴:欠級整流電 路3轉換為-第―電位直流電力,其中,第_電位直流電力為+㈣以及 —N+1組電位調整電路B广Bn+],係並聯連接於該第一電位直 =電位調整電路Bl〜BN+l贿第—電位直流電力為基準電力並轉壓為相 異電位之N+1組第二電位直流電力,該似,其中,該電位調整電 係可為直流·直雜換H(DC/DC C_erter)、雜放A||迴授_電_ ^(Regu㈣;於本實酬中,N=2,單一次級繞組線圈2輸出端並聯連 接夕組電位調整電路BhB2,其分別輸出+5¥,+33¥電位直流電力。 藉此,次級繞組線圈2之第-電位直流電力即可經由電位調整電路 氏,B2輪出多組相異電位直流電力且能避免不同電位輸出端相互限制所造 的電力效率不良情況,並能防止不同電位輸出端間之電力干擾。 請參閲「第5圖」所示,係為本發明一第二較佳實施例之電路示意圖。 6 200820570 本實施例與第一實施例之差異處在於: 電位調整電路BhB2係並聯於次級整流電路3直接直流轉壓以輸出多組 電位直流電力+5V,+3.3V。 藉此’電位調整電路Bl,B2後端無須增設次級整流電路3,且僅需由次 級繞組線圈2並聯電位調整電路Bi,B2,減少電路^^复雜度。 睛參閱「第6圖」所示,係為本發明一第三較佳實施例之電路示意圖。 本實施例與第一實施例之差異處在於: 、次級繞組線圈2得以並聯M+1組線圈繞組構成,且單一線圈繞組並聯 連接▲電位调整電路,該i,於本實施例中,,次級繞組線圈2[Embodiment] = The details of the present invention and the details of the present invention are described below. The intention is to refer to the "Figure 4", which is shown in the architectural block of the present invention - the preferred embodiment. There is a power conversion converter circuit of the present invention, which is provided in the primary winding coil i of the transformer 10, which is an AC power of the power source; - is disposed in the transformer 10 The single-secondary winding coil 2 and the _ secondary rectifying circuit 3 are made up of _ human-level windings, which are fine-tuned by the singularity of the windings. Wherein, the _th potential DC power is + (four) and -N+1 group potential adjustment circuit B wide Bn+], and is connected in parallel to the first potential straight = potential adjustment circuit B1 to BN+l bribe-potential DC power is The reference power is converted to N+1 group second potential DC power of different potentials, wherein the potential adjustment electric system can be DC/DC C_erter, miscellaneous A|| Feedback_Electric_^(Regu(4); in this remuneration, N=2, the output of the single secondary winding coil 2 is connected in parallel to the potential of the group The whole circuit BhB2 outputs +5¥, +33¥ potential DC power respectively. Thereby, the first-potential DC power of the secondary winding coil 2 can be adjusted via the potential adjustment circuit, and B2 rotates multiple sets of dissimilar potential DC power. Moreover, it is possible to avoid power efficiency problems caused by mutual limitation of different potential output terminals, and to prevent power interference between different potential output terminals. Please refer to FIG. 5, which is a second preferred embodiment of the present invention. 6 200820570 The difference between this embodiment and the first embodiment lies in: The potential adjustment circuit BhB2 is connected in parallel with the secondary rectifier circuit 3 to directly convert DC voltage to output multiple sets of potential DC power +5V, +3.3V. Therefore, the potential adjustment circuit B1, B2 does not need to add a secondary rectifier circuit 3 at the rear end, and only the secondary winding coil 2 needs to be connected in parallel with the potential adjustment circuit Bi, B2 to reduce the complexity of the circuit. The circuit is a schematic diagram of a third preferred embodiment of the present invention. The difference between this embodiment and the first embodiment is that: the secondary winding coil 2 is formed by paralleling M+1 sets of coil windings, and is single. Coil winding ▲ potential adjusting circuit connected in the i, in the present embodiment, the secondary winding of the coil 2 ,,

,上線圈繞組21與下線醜組22並聯構成,上線圈繞組21後端並聯連接 單一,位調魏路B1讀出+5V電位直流電力,下賴繞組22後端並聯 、接單電位凋整電路B2以輸出+3JV電位直流電力,且電位調整電路B1, B2係由具備磁性放大器迴授控制器4之控制電路構成。 藉此,兩獨立之上線圈繞組21與下線圈繞組22即能輸出+5乂+3 3丨 異電位兩直流電力。 ’ · ^閱帛7圖」所不,係為本發明一第四較佳實施例之電路示意圖。 本實施例與第三實施例之差異處在於: 聯之路,且該全部單—線圈繞組並 中,_壓輸出之第二電位直流電力為相異電壓位準,其 上線與下制繞組22後端綱連接纽電 ^ Bn:、主^位調整電路BHBn+i輪出多組相同或相異電位直流電力。 :注忍者,於本實施例中,該全部單一_繞組21,22並聯之電位調整 路Βι,Β2所調壓輸出之第二電位直流 、、 -電位直流電力為位準。 輸出之第 藉此,兩獨立之上線圈繞組21盥 整電路Hi輸出多組相同或相異’電位直气力卩此藉由多組電位調 係運用輸出第-電位直流電力之切上輯,由於本發明 ⑽不同電位輸出端相互限制所造成的電力效率不良情== 7 200820570 電位調整電路Bi〜Bn+1輪料二電位直流電相達商性電力供應之效 果’且能有餘絲異電簡之電力預,耻本發日雜舰步性及符合 :請發明專利之要件,麦依法提出申請嘯均局早曰賜准專利,實感德 以上已將本發明做-詳細說明,惟以上所述者, 發Γ叙細。即驗本侧"範圍所作 1寺乂化與修飾4,皆應仍屬本發明之專利涵蓋範圍内。 【圖式簡單說明】The upper coil winding 21 is formed in parallel with the lower line ugly group 22, and the rear end of the upper coil winding 21 is connected in parallel, and the position adjustment Wei road B1 reads +5V potential DC power, and the rear end of the winding 22 is connected in parallel and connected to the single potential withering circuit. B2 outputs +3 JV potential DC power, and the potential adjustment circuits B1, B2 are constituted by a control circuit including a magnetic amplifier feedback controller 4. Thereby, the two independent upper coil windings 21 and the lower coil winding 22 can output two DC powers of +5 乂 + 3 3 丨 different potentials. A schematic diagram of a circuit according to a fourth preferred embodiment of the present invention is shown in FIG. The difference between this embodiment and the third embodiment lies in: the connection path, and the all-single-coil windings, the second potential DC power of the _voltage output is a different voltage level, and the upper and lower windings 22 thereof The back end is connected to the new circuit ^ Bn:, the main level adjustment circuit BHBn + i rotates multiple sets of the same or different potential DC power. : Note Ninja, in the present embodiment, the potential adjustment of all the single _ windings 21, 22 in parallel, the second potential of the voltage-regulated output of the switch Β, Β2, and the - potential DC power are level. According to the output, the two independent upper coil windings 21 电路 the circuit Hi output a plurality of sets of the same or different 'potential straight gas force 卩 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉 藉The invention (10) the power efficiency difference caused by the mutual limitation of the different potential output ends == 7 200820570 The potential adjustment circuit Bi~Bn+1 turns the two-potential direct current phase to achieve the effect of the commercial power supply' and can have the excess wire Electric power pre-, shame-issued and miscellaneous ship straits and conformity: Please invent the requirements of the patent, Mai filed an application for the application of the patent by the squad, and the actual invention has been made above - the detailed description, but the above , hairpins. Immediately on the side of this section, the scope of the temple shall be within the scope of the patent of the present invention. [Simple description of the map]

第1圖’係本發明習知軸式Μ供應H之電路示意圖 =2圖’係本發明習知雙順向式電源供應器之電路示意圖 箸圖係、本發明習知半橋式電源供應器之電路示意圖 證4圖’係本發明一第一較佳實施例之架構示意圖 5圖’係本發明一第二較佳實施例之架構示意圖 第^圖’係本發明一第三較佳實施例之架構示意圖 ,’係本發明_第四較佳實施例之架構示意圖 【主要元件符號說明】 ^ # · · ·... 10 2 · 21 22 3 · 4 _ ······初級繞組線圈 ••變壓器 •··次級繞組線圈 •··上線圈繞組 •··下線圈繞組 •··次級整流電路 6……· 7 …· · · 71 · · · · Βι〜ΒΝ+1 · · •····磁性放大器迴授控制器 •····次級繞組圈 •.··•次級繞組圈 • · · · ·控制電路 ······磁性放大器迴授控制器 •····電位調整電路 81 is a schematic diagram of a circuit of a conventional shaft-type supply H of the present invention. FIG. 2 is a schematic diagram of a circuit of a conventional dual-directional power supply of the present invention. The conventional half-bridge power supply of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 4 is a schematic view of a first preferred embodiment of the present invention. FIG. 2 is a schematic view of a second preferred embodiment of the present invention. FIG. Schematic diagram of the structure, 'the schematic diagram of the structure of the fourth preferred embodiment of the present invention [description of the main components] ^ # · · ·... 10 2 · 21 22 3 · 4 _ ······ primary winding ••Transformer•··Secondary winding coil•··Upper coil winding•··Lower coil winding•··Secondary rectifier circuit 6...· 7 ...· · · 71 · · · · Βι ~ΒΝ+1 · · •···· Magnetic Amplifier Feedback Controller •····Secondary winding ring •.··•Secondary winding ring • · · · · Control circuit ······Magnet amplifier feedback controller•· ··· Potential adjustment circuit 8

Claims (1)

200820570 . 十、申請專利範圍: • 丨· 一種電源供應器之變壓轉換電路,該變壓轉換電路包括有: 一初級繞組線圈; -人級繞組線圈及一次級整流電路,係由次級繞組線圈相對該初級 繞組線圈以一匝數比變壓並經該次級整流電路轉換為一第一電位直流電 力; /;'L N+1組電位調整電路,係並聯連接於該第一電位直流電力,該每組 電位調整電路以該第一電位直流電力為基準電力並轉壓為相異電位之 N+1組第二電位直流電力,該Ngl。 2.如申請專利範圍第1項所述電源供應器之變壓轉換電路,其中,該電位 馨 調整電路係為一直流-直流轉換器(DC/DC Coiwerter)。 3·如申請專利範圍第1項所述電源供應器之變壓轉換電路,其中,該電位 調整電路係為一磁性放大器迴授控制電路。 4·如申請專利範圍第1項所述電源供應器之變壓轉換電路,其中,該電位 5周整電路係為一穩壓器(Regulator)。 5·如申請專利範圍第1項所述電源供應器之變壓轉換電路,其中,該電位 調整電路係並聯於次級繞組線圈輸出端並獨立連接有次級整流電路以輸 出第二電值直流電力。 6·如申請專利範圍第1項所述電源供應器之變壓轉換電路,其中,該電位 ® 調整電路係並聯於次級整流電路直接直流轉壓以輸出第二電位直流電 力。 7·如申請專利範圍第1或2或3或4或5或6項所述電源供應器之變壓轉 換電路,其中,該次級繞組線圈得以並聯M+1組線圈繞組構成,且單一 線圈繞組並聯連接一組電位調整電路,該M-1。 8·如申請專利範圍第7項所述電源供應器之變壓轉換電路,其中,該部分 單一線圈繞組並聯之電位調整電路所調壓輸出之第二電位直流電力為相 同電壓位準。 9·如申請專利範圍第7項所述電源供應器之變壓轉換電路,其中,該全部 單一線圈繞組並聯之電位調整電路所調壓輸出之第二電位直流電力為相 9 200820570 β 異電壓位準。 • 10.如申請專利範圍第1或2或3或4或5或6項所述電源供應器之變壓轉 換電路,其中,該次級繞組線圈得以並聯Μ+1組線圈繞組構成,且單一 線圈繞組並聯連接多組電位調整電路,該Μ21。 11.如申請專利範圍第10項所述電源供應器之變壓轉換電路,其中,該部 分單一線圈繞組並聯之電位調整電路所調壓輸出之第二電位直流電力為 相同電壓位準。 12·如申請專利範圍第10項所述電源供應器之變壓轉換電路,其中,該全 部單一線圈繞組並聯之電位調整電路所調壓輸出之第二電位直流電力為 相異電壓位準。200820570 . X. Patent application scope: • 丨· A power supply transformer voltage conversion circuit, the transformer conversion circuit includes: a primary winding coil; a human-stage winding coil and a primary-stage rectifier circuit, which is a secondary winding The coil is transformed with a turns ratio with respect to the primary winding coil and converted into a first potential DC power via the secondary rectifier circuit; /; 'L N+1 group potential adjustment circuit is connected in parallel to the first potential DC In the electric power, each set of potential adjustment circuit uses the first potential DC power as a reference power and is converted into N+1 sets of second potential DC power of different potentials, the Ngl. 2. The transformer conversion circuit of the power supply according to claim 1, wherein the potential adjustment circuit is a DC/DC converter. 3. The transformer conversion circuit of the power supply of claim 1, wherein the potential adjustment circuit is a magnetic amplifier feedback control circuit. 4. The transformer conversion circuit of the power supply according to claim 1, wherein the potential is a Regulator. 5. The transformer power conversion circuit of claim 1, wherein the potential adjustment circuit is connected in parallel to the secondary winding coil output and independently connected with a secondary rectifier circuit to output a second electrical value DC. electric power. 6. The transformer conversion circuit of the power supply according to claim 1, wherein the potential control circuit is connected in parallel with the secondary rectifier circuit to directly convert the DC voltage to output the second potential DC power. 7. The transformer conversion circuit of the power supply according to claim 1 or 2 or 3 or 4 or 5 or 6, wherein the secondary winding coil is formed by paralleling M+1 sets of coil windings, and the single coil The windings are connected in parallel to a set of potential adjustment circuits, M-1. 8. The transformer voltage conversion circuit of the power supply according to claim 7, wherein the second potential electric power of the voltage regulating output of the partial coil winding in parallel is the same voltage level. 9. The transformer conversion circuit of the power supply according to claim 7, wherein the second potential electric current of the voltage regulating output of the single-pole winding parallel is the phase 9 200820570 β different voltage position quasi. 10. The transformer conversion circuit of the power supply according to claim 1 or 2 or 3 or 4 or 5 or 6, wherein the secondary winding coil is formed by paralleling +1 sets of coil windings, and The coil windings are connected in parallel to a plurality of sets of potential adjustment circuits, the Μ21. 11. The transformer conversion circuit of the power supply according to claim 10, wherein the second potential DC power of the regulated output of the potential adjustment circuit connected in parallel with the single coil winding is the same voltage level. 12. The transformer conversion circuit of the power supply according to claim 10, wherein the second potential DC power of the regulated output of the potential adjustment circuit connected in parallel with all of the single coil windings is a different voltage level.
TW95138650A 2006-10-20 2006-10-20 Transforming circuit for power supply TW200820570A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI581551B (en) * 2015-07-31 2017-05-01 光寶電子(廣州)有限公司 Multi-output switching power converter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI581551B (en) * 2015-07-31 2017-05-01 光寶電子(廣州)有限公司 Multi-output switching power converter

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