M364897 五、新型說明： 【新型所屬之技術領域】 本創作是有_-魏源供絲，且_是一 電源供應器。 巧竹柄：犋八扪 【先前技術】 當電器產品接上交流電源時，電器產品於正常卫作模 模式(off mode)下的神損耗必_合_組_訂定的規範。由於 =短^全_化的現象日賴重，相_城有 由產品於待機模式下的功率損耗（或稱為待機功二 之規範已纟林的低於iW縣餘G. 5W，❿且開 是0.1W的市場要求出現。 -、甚至 圖1為-種現有應用於電H產品的電源供應器之電路圖昭 圖1，電源供應T主要包括保護電路u、電磁干擾(Eie伽 *ntrLfernee ’祕EMI)缝1112、交紅直流娜1113、直流至 2轉換器14及控制電路15，用以接收交流電源Vac並將其轉^ ιΓί=ΐ V〇以供電器產品使用。電源供應器1還包括交流開關 丰叙流電源Vac的情形下，#使用者不使用電11產品時可 手動控制父〜開關16斷開而不讓交流電源Vac輸入，以降低功率損耗。 其中，保護電路11包括保險絲F1及熱敏電阻器NTC1 内部電路免於雷擊，等因素所破壞，濾'、=、 ;規=器οα及共模扼流線圈LF1，;慮除交流電源Vac中的電3 供應器1產生的電磁干擾通過電源線污染提供交流 /'、扣的么、電網。交流至直流轉換器13包括橋式整流器则及電 3 M364897 容器ci ’交流電源Vac電壓通過橋式整流器ΒΕα整流為脈動直流電 麼’再通過電容器C1濾波為電壓漣波較小的直流電壓Vdc。直流至直 流轉換器14採用返馳式（flyback)架構，其主要包括變壓器Τι、功率 開關Q1、二極體D3、電容器C4及由電感器L1和電容器C5構成的濾 波器，在功率開關Q1導通時，二極體D3截止，變壓器T1初級繞組 NP儲存直流電壓Vdc輸入之能量，而由電容器C4先前儲存的能量通 過輸出直流電源Vo供電給電器產品使用；在功率開關Q1斷開時，二 極體D3導通，變壓器τΐ初級繞組NP先前儲存的能量傳送到變壓器 T1次級繞組NS，除了對電容器C4充電之外還通過輸出直流電源v〇 供電給電器產品使用。直流至直流轉換器14還包括由電阻器R3 '電 容器C3及二極體D2構成的箝位元件，限制變壓器T1漏電感在功率開 關Q1上所引起的電壓尖刺。 直流至直流轉換器丨4之控制電路15主要包括脈寬調變(pulse Width Modulation，簡稱為pwm)控制器ία，其具有電源端vcc、接 地端GND、感測端CS及輸出端out，電源端VCC耦接至由變壓器T1 輔助繞組ΝΑ、電阻器R2、二極體D1及電容器C2構成的辅助電源，電 源端vcc還通過啟動電阻器R1耦接至交流至直流轉換器13輸出端， 接地端GND接地，感測端CS耦接至電阻器以並通過電阻器R4感測流 過功率開_1電流大小’輸出端〇υτ通過電阻器R5㉔接至功率開^ Q1。在交流至直流轉換器13輸出端上產生直流電壓Vdc的瞬間，直漭 電壓恤通過啟動電阻器R1送入顺控制器IC1電源端vcc使 控制器ici開始動作而控制功率開關Q1的切換，進而使變壓器I! 立辅助電源穩定供電給PWM控制器IC1。此後pWM控制器依 感測端CS收到的流過功率開關讲電流大小，調整從輪出端〇取〇 的PWM控制信號來回授控制功率開關卬的切換。 則 圖2為另一種現有應用於電器產品的電源供應器之電路圖。請參 M364897 照圖2，電源供應器2將圖i所示電源供應器i中的交流開關i6以繼 -電器（r'lay) 26替代，且繼電器26配置在EMI濾波器12及交流至直 -流轉換器13之間’同時還加入另一組交流至直流轉換器23、直流至 直流轉換器24及控制電路25，其將交流電源Vac轉換為待機直流電 源Vsb以持續供電給微控制器（Micr〇c〇ntr〇UerUnit，簡稱為化们。 中父洲_至直’爪轉換器23、直流至直流轉換器24及控制電路25電路 -架構可以採用與交流至直流轉換器13、直流至直流轉換器14及控 .電路15相同的電路架構。 | 在電源供應2接上交流電源Vac後，使用者可通過按壓遙控器 (或電器產品控制面板)上的電源按鈕送出觸發信號，Mcu在接收到; 發信號時輸出電源開啟信號⑽或電源關閉信號卿 電源供應器2抑（或電器產品）正常工作或處於待機模式。在 == η中電源供應益2通過隔離開關〇ci將電源開啟信號on或電源關閉信 號OFF從高壓侧傳送到低壓側，以驅動繼電器％線圈⑶控制其開關 SW1導通或斷開，進而控制電源供應器2 (或電器產品)正常工;乍或處 於待機模式，其中隔離開關0C1為光輕合器，其包括發光二極體削 及光電晶體PT1。 當電源供應器2接收到電源開啟信號⑽時，開關Q21導通，使得 從直流電壓+5V、電阻器R22、二極體D22、發光二極體刚、開關⑽ 到地為通路’發光二極體因有電流流過而發光，光電晶體阳因 •侧到發光二極體™發出的光線而導通，進而使得從輔助電源、二 極體D2卜線圈LS卜光電晶體PT1到地亦為通路，線圈⑶因電流流 過產生電磁感應而控制開關SW1導通，故電源供應器2會提供輸出直 机電源Vo以供電器產品使用。當電源供應器2接收到電源關閉信號 OFF ¥ ’開關Q21斷開’使得從直流電壓+5V、電阻器R22、二極體腦、 發光二極體PD卜開關Q21到地為斷路，發光二極體m因沒有電流 5 M364897 不發f ’光電晶體PT1因未偵測到光線而斷開，進而使得從輔 ^ D21、線圈LS1、光電晶體PT1到地亦為斷路，線圈 處口口 9 = ^ /動丨L過不產生電磁感應而控制開關SW1斷開，故電源供 應裔2不會提供輸出直流電源％以供電器產品使用。 道二二圖^所不電源供應器1必須使用者手動控制交流開關16 雪使用上相當地不方便’而圖2所示電源供應器2在繼 繼二，1切換時容易產生機械動作的聲響。再者，交流開關 w Γ關關都是獅機械動作方式，在關接點切離交流 式是_易產生電弧，而且交流開關 可靠度變“：各：溫度低’使得 【新型内容】 柄目的就&在提出—種具有待機模式的電源供應器，可降 且=耗’？不會讀述現有電源供應器使用不便、易產生聲響、 易產生電弧、壽命及可靠度低且零件價格昂貴的問題。 曰/it作提出一種電源供應器，在接收到電源開啟職時正常工作 =接=魏Μ健時處於待機赋，其包括—交流至直流轉換 ==至;控制電路。交流至直流轉換器具有輸入 電雜拖A 直雜換11輸人端触—交錢雜，將交流 並在錢至直流轉換_端輸出。直流至直 及輸㈣’纽至纽雜11輸人端墟至交流 直机轉換續出端，在電源供應器正常工作時通過一功 端trzr為至少—輸出直流電源並在直流至直流轉換器輸出 产應器處於待機模式時不動作。控制電路耦接至交 机至直讀換器輸出端及功率開關，具有一脈寬調變控制器、一啟動 6 M364897 開關電路，啟動電阻器及開關電路串聯減於交流至直流 出端及脈寬調變控制器之間，在電源供應器正常工作時開關 電料通’使直流電壓通過啟動電阻器啟動脈寬調變控制物作 制該功率開_切換，而在電源供應减於待機模式時開關電路斷開: =作_用在交流至直流轉難輸出端及直流至直流轉換器的 ΐ 之間加入開關電路，在電源供應器正常工作時使開關電路導M364897 V. New description: [New technical field] This creation has _-Weiyuan supply wire, and _ is a power supply. Qiaozhu handle: 犋八扪 [Prior Art] When the electrical products are connected to the AC power supply, the loss of the electrical products in the normal mode mode (off mode) must be _ _ group _ set specifications. Due to the phenomenon of = short ^ full _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ The opening is a market requirement of 0.1W. - Even Figure 1 is a circuit diagram of a power supply that is currently applied to an electric H product. Figure 1 shows the power supply T mainly including the protection circuit u, electromagnetic interference (Eie gamma *ntrLfernee ' Secret EMI) slot 1112, cross red DC 1113, DC to 2 converter 14 and control circuit 15 for receiving AC power supply Vac and turning it to ι Γ ΐ ΐ V 〇 for power supply products. Power supply 1 also In the case where the AC switch includes the AC power supply Vac, the user can manually control the parent switch 16 to be disconnected without the AC power supply Vac input to reduce the power loss when the user does not use the electric product 11. The protection circuit 11 includes the fuse. F1 and the thermistor NTC1 internal circuit is free from lightning strikes, and other factors are destroyed, filter ', =, ; gauge = οα and common mode choke coil LF1; consider the power supply in the AC power supply Vac 3 Electromagnetic interference is provided by the power line pollution to provide AC / ', buckle Grid, AC to DC converter 13 including bridge rectifier and electric 3 M364897 container ci 'AC power supply Vac voltage is rectified to pulsating DC through bridge rectifier ΒΕα' and then filtered by capacitor C1 to DC dc with small voltage Vdc. The DC to DC converter 14 adopts a flyback architecture, which mainly includes a transformer Τι, a power switch Q1, a diode D3, a capacitor C4, and a filter composed of an inductor L1 and a capacitor C5. When Q1 is turned on, the diode D3 is turned off, the primary winding NP of the transformer T1 stores the energy of the DC voltage Vdc input, and the energy previously stored by the capacitor C4 is supplied to the electrical product through the output DC power supply Vo; when the power switch Q1 is turned off, The diode D3 is turned on, and the previously stored energy of the transformer τΐ primary winding NP is transmitted to the secondary winding NS of the transformer T1, and is supplied to the electrical product through the output DC power supply v〇 in addition to charging the capacitor C4. The DC to DC converter 14 It also includes a clamping component consisting of resistor R3 'capacitor C3 and diode D2 to limit the leakage inductance of transformer T1. The voltage spike caused by the voltage switch Q1. The control circuit 15 of the DC to DC converter 主要4 mainly includes a pulse width modulation (pulse Width Modulation, pwm for short) controller ία, which has a power supply terminal vcc and a ground terminal GND. The sensing terminal CS and the output terminal out are connected to the auxiliary power supply composed of the transformer T1 auxiliary winding ΝΑ, the resistor R2, the diode D1 and the capacitor C2, and the power terminal vcc is also coupled through the starting resistor R1. To the output of the AC to DC converter 13, the ground terminal GND is grounded, the sensing terminal CS is coupled to the resistor and senses the flow through the resistor R4. The current is discharged. The output terminal 〇υτ is connected through the resistor R524. To power on ^ Q1. At the instant when the DC voltage Vdc is generated at the output of the AC to DC converter 13, the direct voltage shirt is sent to the power supply terminal vcc of the controller IC1 through the starting resistor R1 to cause the controller ici to start operating to control the switching of the power switch Q1. The transformer I! vertical auxiliary power supply is stably supplied to the PWM controller IC1. Thereafter, the pWM controller adjusts the current through the power switch received by the sensing terminal CS, and adjusts the PWM control signal from the wheel terminal to control the switching of the power switch 来回. Figure 2 is a circuit diagram of another power supply currently applied to electrical products. Please refer to Figure 2, the power supply 2 replaces the AC switch i6 in the power supply i shown in Figure i with a r'lay 26, and the relay 26 is placed in the EMI filter 12 and AC to straight - between the stream converters 13 'also adds another set of AC to DC converters 23, DC to DC converters 24 and control circuits 25, which convert the AC power supply Vac into a standby DC power supply Vsb for continuous power supply to the microcontroller (Micr〇c〇ntr〇UerUnit, referred to as the avatar. Zhongfuzhou _ to straight 'claw converter 23, DC to DC converter 24 and control circuit 25 circuit-architecture can be used with AC to DC converter 13, DC The same circuit structure as the DC converter 14 and the control circuit 15. After the AC power supply Vac is connected to the power supply 2, the user can send a trigger signal by pressing the power button on the remote control (or the control panel of the electrical product), Mcu When receiving the signal; output the power-on signal (10) or the power-off signal, the power supply 2 (or the electrical product) is working normally or in the standby mode. In the == η, the power supply benefit 2 is powered by the isolating switch 〇ci The turn-on signal on or power-off signal OFF is transmitted from the high-voltage side to the low-voltage side to drive the relay % coil (3) to control whether its switch SW1 is turned on or off, thereby controlling the power supply 2 (or electrical product) to operate normally; or in standby mode The isolation switch 0C1 is an optical light combiner, which comprises a light-emitting diode and a photoelectric crystal PT1. When the power supply 2 receives the power-on signal (10), the switch Q21 is turned on, so that the DC voltage +5V, the resistor R22 , the diode D22, the light-emitting diode, the switch (10) to the ground, the light-emitting diode emits light due to the flow of current, and the photoelectric crystal is turned on by the light from the side to the light-emitting diode TM, and further So that the auxiliary power supply, the diode D2 coil LS, the photoelectric crystal PT1 to the ground is also the path, the coil (3) is controlled by the current flowing to generate the electromagnetic induction to control the switch SW1 to be turned on, so the power supply 2 will provide the output straight machine power supply Vo The power supply product is used. When the power supply 2 receives the power off signal OFF ¥ 'switch Q21 off' makes it from DC voltage +5V, resistor R22, diode brain, LED diode Switch Q21 to ground is open circuit, the light-emitting diode m has no current 5 M364897 does not send f 'photoelectric crystal PT1 is disconnected because no light is detected, and thus the auxiliary ^ D21, coil LS1, photoelectric crystal PT1 to the ground In order to open the circuit, the mouth of the coil is 9 = ^ / 丨 L does not generate electromagnetic induction and the control switch SW1 is disconnected, so the power supply supplier 2 will not provide the output DC power source to use the power supply product. The power supply 1 does not have to be manually controlled by the user. The snow switch 16 is quite inconvenient to use. The power supply 2 shown in Fig. 2 is prone to mechanical sound when switching two or one. Furthermore, the AC switch w Γ 关 关 is the lion mechanical action mode, the switch-off AC type is _ easy to generate arc, and the AC switch reliability becomes ": each: low temperature" makes [new content] handle As far as & is proposed, a power supply with a standby mode can be reduced and consumed? It does not describe the inconvenience of the existing power supply, the sound is easy to generate, the arc is easy to generate, the life and reliability are low, and the parts are expensive. The problem is that 曰/it proposes a power supply that works normally when receiving power supply. = Connected = Wei Weijian is in standby mode, which includes - AC to DC conversion == to; control circuit. AC to DC The converter has input electric miscellaneous drag A straight mismatch 11 input end touch - pay money miscellaneous, will exchange and in the money to DC conversion _ end output. DC to straight and lose (four) 'New to New Miscellaneous 11 losers to the market The AC straight-line conversion continuation end, when the power supply is working normally, through the working end trzr is at least - output DC power supply and does not operate when the DC-to-DC converter output generator is in the standby mode. The control circuit is coupled to the AC Machine to direct reader output and power switch, with a pulse width modulation controller, a start 6 M364897 switch circuit, start resistor and switch circuit series reduction from AC to DC output and pulse width modulation controller During the normal operation of the power supply, the switching electric material is turned on to enable the DC voltage to start the pulse width modulation control through the starting resistor to make the power ON_switch, and the switching circuit is disconnected when the power supply is reduced to the standby mode: = _ used in the AC to DC transfer output and DC to DC converter 加入 between the switch circuit, the switch circuit is guided when the power supply is working normally
制電路動作而控制直流至直流轉換11動作以便將直流電壓轉 輸出直流電源，而在電源供應11處於待機模式時使開關電 ，斷開’使控制電料動作而㈣直流至直鱗換器稍作而不再輪 降ί待機功耗’卻不會有前述現有電源供應器使科便、易產 生聲曰、易產生電弧、壽命及可靠度低且零件價格昂貴的問題。 為讓本創作之上述和其他目的、特徵和優點能更明顯易懂，下文 特舉較佳實細，並配合所關式，作詳細說明如下。 【實施方式】 圖3為本創作電源供應器之第一實施例之電路圖。請參照圖3， 電源供應器3包括保護電路31 滤波器％'交流至直流轉換器泊、 父^直雜換H 34及控制f路35，電源供應器3在減到電源開 啟巧ON時正常工作，而在接收到電源關閉信號卿時處於待機模 式。交流至直賴換H 33具有輸人端及輸出端，交流至直流轉換器 33輸入端通過保護電路31及麵遽波器32接收交流電源-，交流 至直流轉換器33將交流電源Vac轉換為直流電壓Mc並在交流至直流 轉換器33輸《輸出。直流至直轉換諸具有輸人端及輸出端， 直流至直流轉換ϋ 34輸人她接至交流至直流轉換器33輸出端，直 机至直抓轉換g 34在電源供應|| 3正常卫作時通過功率開_的切 換將直流電MVdc轉換為至少—輪出直流電源v〇並在直流至直流轉換 M364897The circuit operates to control the DC-to-DC conversion 11 to convert the DC voltage to the DC power supply, and when the power supply 11 is in the standby mode, the switch is electrically turned off, and the control device is operated (4) DC to the straight scale changer. It does not have a round-trip ί standby power consumption, but it does not have the problems of the aforementioned existing power supply, which makes it easy to produce sonar, easy to generate arc, long life and low reliability, and expensive parts. In order to make the above and other objects, features and advantages of the present invention more comprehensible, the following is a detailed description of the present invention. [Embodiment] FIG. 3 is a circuit diagram of a first embodiment of the authoring power supply. Referring to FIG. 3, the power supply 3 includes a protection circuit 31 filter %' AC to DC converter, a parent H 34 and a control f 35, and the power supply 3 is normally turned off when the power is turned ON. Work, and in standby mode when receiving a power off signal. The alternating current to the H 33 has an input end and an output end, the AC to DC converter 33 input receives the AC power through the protection circuit 31 and the surface chopper 32, and the AC to DC converter 33 converts the AC power supply Vac into The DC voltage Mc is output to the output from the AC to DC converter 33. DC to direct conversion has input and output, DC to DC conversion ϋ 34 input she connects to the output of AC to DC converter 33, straight to direct capture conversion g 34 in power supply || 3 normal maintenance When the power is turned on, the DC power MVdc is converted to at least - the DC power supply is turned off and converted in the DC to DC conversion M364897
在本只施例中’保護電路31、EMU慮波器32、交流至直流轉換器· 33及直w至直流轉換器34電路架構採用與圖i (或圖2)所示保護電鲁 路1卜eMI 4波器12、交流至直流轉換器13 *直流至直流轉換器14 相同的電路架構，但其實施方式並不僅限於此。圖3所示電路圖中使 用與圖1 (或圖2)所示電路圖中相同的元件符號表示為相同的元件， 在此不再贅述其電路架構及功能，制電路35主要包括酬控制器. 1C卜其具有電源端VCC、接地端GND、感測端CS及輸出端OUT，電源 ，VCC耦接至由變壓器π輔助繞組να、電阻器取、二極體D1及電容 器C2構成的輔助電源，電源端vcc還通過開關電路及啟動電阻器則 耦接至交流至直流轉換器33輸出端，接地端GND接地，感測端cs耦 接至電阻器R4並通過電阻器R4感測流過功率開關Q〗電流大小，輸出 Λϊό OUT通過電阻器R5搞接至功率開關qi。其中，開關電路包括隔離 開關0C2，隔離開關〇C2為光耦合器而包括發光裝置PD2及偵測裝置 FT2 ’在本例中，發光裝置PD2為發光二極體，偵測裝置ρτ2為光電晶 體，但並不僅限於此。發光二極體PD2為回應電源開啟信號〇Ν而發光 且為回應電源關閉信號OFF而不發光。光電晶體ρΤ2及啟動電阻器R1 串聯耦接於交流至直流轉換器33輸出端及PWM控制器IC1電源端vcc 之間，光電晶體PT2為回應發光二極體pD2發光而導通且為回應發光 二極體PD2不發光而斷開。如圖2所示一般的光耦合器〇cl其光電晶 8 M364897 • , 體PT1在開基極時集極至射極間電壓VCE〇典型值35〜爾，而圖3所 、不光搞合器0C2其光電晶體PT2在開基極時集極至射極間電壓VCE〇 -必須可耐受500V高壓。 當電源供應ϋ 3接收到MOI輪出的電源開啟信號⑽而正常工作 時’開關Q21導通’使得從直流電壓+5V、電阻器R22、二極體⑽、 發光-極體PD2、開關⑽到地為通路，發光二極體pD2因有電流流 過而發光，光電晶體PT2因偵測到發光二極體pD2發出的光線而導通， .進而使得從交流至直流轉換H 33輪出端、啟動電阻器R卜光電晶體 鲁PT2到PWM控制器IC1 f源端VCC亦為通路，故在交流至直流轉換器 ^輸出端上產生直流電壓Vdc的瞬間，直流電壓Vdc可通過啟動電阻 益R1送入PWM控制器IC1電源端VCC使PWM控制器IC1開始動作而控 制功率開_的切換，進而使變壓器T1建立辅助電源穩定供電給剛 控制器IC1，PWM控制器IC1啟動後則會控制交流至直流轉換器34提 供輸出直流電源Vo以供電器產品使用。當電源供應器3接收到腿 輸出的電源關閉信號OFF而處於待機模式時，開關Q21斷開，使得從 直抓電壓+5V、電阻器R22、二極體D22、發光二極體PD2、開關Q21 到地為斷路’發光二極體PD2因沒有電流流過而不發光，光電晶體pT2 鲁因未_到光線而斷開，進而使得從交流至直流轉換器33輸出端、啟 動電阻器R1、光電晶體PT2到PWM控制器IC1電源端vcc亦為斷路， 、故在交流至直流轉換器33輸出端上產生的直流電壓Vdc無法送到pwM 控制器IC1電源端VCC來啟動PWM控制器IC1，交流至直流轉換器34 '不動作而不會提供輸出直流電源Vo以供電器產品使用。 圖4至圖7為本創作電源供應器之第二至第五實施例之電路圖。 圖4至圖7所示電源供應器與圖3所示電源供應器3差異僅在於控制 電路的開關電路。請參照圖4，電源供應器4控制電路45的開關電路 包括隔離開關0C1、開關Q22及電阻器R23，其中電阻器R23用以建立 9 M364897 由電晶體構成的開關Q22之工作電壓。隔離開關⑽為光麵合器而包 括發光裝置PD1及偵測裝置pT卜在本例中，發光裝置pD1為發光二 極體’制裝置ρτι為光電晶體，但並不僅限於此。光搞合器〇cl的 光電晶體PT1為回應電源開啟信號〇N而導通且為回應電源關閉信號 OFF而斷開。開關Q22及啟動電阻器R1㈣祕於交流至直流轉換器 3。3輸出端及PWM控制器id電源端vcc之間，開關卿為回應光輕合 器0C1的光電晶體PT1導通而導通且為回應光輕合器〇α的光電晶體 PT1斷開而斷開。電源供應器4因為改成以開關卿#接於交流至直 流轉換II 33輸出端及PWM控制n IC1電源端ν(χ之間因此不需使用 如圖3所示具有高VCE0之光電晶體ρτ2的光柄合器⑽，而只需使用 如圖2所示一般的光耦合器0Q。 〇月參照圖5 ’電源供應器5控制電路55的開關電路包括隔離開關 0C3。隔離開關0C3為光搞合器而包括發光裝置pD3及偵測裝置m， 在本例中，發光裝置PD3為發光二極體，偵測裝置ρτ3為光間流體， 但並不僅限於此。發光二極體PD3為回應電源開啟信號〇Ν而發光且為 回應電源關閉信號OFF而不發光。光閘流體ρΤ3例如是單向問流體 (thyristor)或雙向閘流體(triac)，糕接於交流至直流轉換器犯輸出 端及PWM控制器IC1電源端να;之間，通過偵測到發光二極體pD3發 出的光線而導通或未偵測到光線而斷開。 〇月參…、圖6 ’電源供應器6控制電路65的開關電路包括繼電器 RL2，其中繼電器RL2包括開關聊及線圈LS2。開關挪輕接於交流 至直流轉換器33輸出端及歷控制器IC1電源端似之間。當電源供 應器6接收到電源開啟信號0N時，線圈说因有電流_產生電磁感 應而控綱M2導通，即顧LS2為回應電源開啟信號(^控綱 關SW2導通。當電源供應器6接收到電源關閉信號〇ff時，賴脱 因沒有電流流過不產生電磁感應而控制開關SW2斷開，即線圈脱為 M364897 • . 回應電源關閉信號OFF而控制開關SW2斷開。 赫照目7 ’電源供應器7控制電路乃的開關電路包括脈衝變壓 •器T2 :由二極體D23及電容器C21構成的整流濾波器及開關卿。脈 衝變壓a T2財向壓側繞组NH及低壓側繞組NL，高壓侧繞組NH接 收電源開啟信號ON或電源關閉信號卿，低壓側繞組NL麵接至由二 極體D23及電容器C21構成的整流遽波器。整流濾波器輸出還搞接齊 納-極體ZD1作為穩壓之用’並通過電阻器R24麵接至開關卿以控 -制開關Q23導通或斷開。開關Q23麵接於交流至直流轉換器33輸出端 及PWM控制If IC1電源端VCC之間，為回應整流遽波器輸出而相應地 導通或斷開。當高壓嫩組純到電關啟健QN時，使得從直 μ電壓+5V、電阻器R22、二極體D22、高壓側繞組NH、開關Q21到地 為通路，同壓側繞組ΜΗ將能量傳送到低壓侧繞組，低壓侧繞組亂 輸出脈衝健，脈衝錢再通過整流舰⑽整流及舰成為直流電 ^以控制開關Q23導通。當高壓側繞組ΝΗ接收到電源關閉信號〇FF 時’使得從直流電壓+5V、電阻器R22、二極體D22、高壓侧繞組NH、 開關Q21到地為斷路，高壓側繞組冊無法將能量傳送到低壓側繞組 NL，低壓側繞組见不輸出信號，故開關q23斷開。 籲、‘上所述，本創作電源供應器採用在交流至直流轉換器輸出端及 直流至直流轉換H的控制電路之間加人_電路，在電源供應器正常 ，工作時使開關電路導通’使控織路㈣而控織流至錢轉換器動 作以便將纽電歸換為至少-触纽獅，喊電賴應器處於 待機模式時使開關電路斷開，使控制電路不動作而控制直流至直流轉 換，不動作而不再輸出，可降低待機功耗，卻不會有前述現有電源供 應器使用不便、易產生聲響、易產生雜、壽命及可靠度低且零件價 格昂貴的問題。 雖然本創作已以較佳實施例揭露如上，然其並非用以限定本創 M364897 作，任何熟習此技藝者’在不_本創狀精神和顧内，當可 ϋΐίΪ潤飾’因此本創作之保護棚#視後附之㈣專利範騎 【圖式簡單說明】 圖1為-種現有應用於電器產品的電源供應器之電路圖。 圖2為另-種現有應用於產品的電祕應器之電路圖。 圖3為本創作電源供應器之第一實施例之電路圖。 圖4至圖7為本創作電源供應器之第二至第五實施例之電路 【主要元件符號說明】 1〜7 :電源供應器 12、32 :電磁干擾(EMI)濾波器 14、24、34 :直流至直流轉換器 45、55、65、75 :控制電路 26、RL2 :繼電器 LSI、LS2 :繼電器的線圈 C1〜C5、C11〜C15 :電容器 D1 〜D3、D11 〜D13 :二極體 F1 :保險絲 L卜L11 :電感器 NTC1 :熱敏電阻器 PD1〜PD3 :發光二極體 11、31 :保護電路 13、23、33:交流至直流轉換器 15、25、35 :控制電路 16 :交流開關 SW1、SW2 :繼電器的開關 BD1、BD11 :橋式整流器 C2卜CX1 :電容器 D21〜D24 :二極體 1C卜IC11 :脈寬調變(PWM)控制器 LF1 :共模扼流線圈 0C1〜0C3 :光耦合器 ΡΉ、PT2 :光電晶體In this embodiment, the circuit structure of 'protection circuit 31, EMU filter 32, AC to DC converter 33 and straight w to DC converter 34 is used to protect the electric circuit 1 shown in Fig. i (or Fig. 2). The eMI 4 wave 12, the AC to DC converter 13 * the DC to DC converter 14 have the same circuit architecture, but the implementation is not limited thereto. In the circuit diagram shown in FIG. 3, the same components as those in the circuit diagram shown in FIG. 1 (or FIG. 2) are denoted by the same components, and the circuit architecture and functions thereof will not be described herein. The circuit 35 mainly includes a remuneration controller. 1C The utility model has a power supply terminal VCC, a ground terminal GND, a sensing terminal CS and an output terminal OUT, and a power supply, VCC is coupled to an auxiliary power source composed of a transformer π auxiliary winding να, a resistor take-up, a diode D1 and a capacitor C2, and a power supply. The terminal vcc is also coupled to the output of the AC to DC converter 33 through the switch circuit and the starting resistor, the ground terminal GND is grounded, the sensing terminal cs is coupled to the resistor R4 and senses to flow through the power switch Q through the resistor R4. 〗 Current size, output Λϊό OUT is connected to power switch qi through resistor R5. The switch circuit includes an isolating switch 0C2, and the isolating switch C2 is an optical coupler including a light emitting device PD2 and a detecting device FT2'. In this example, the light emitting device PD2 is a light emitting diode, and the detecting device ρτ2 is a photoelectric crystal. But it is not limited to this. The light-emitting diode PD2 emits light in response to the power-on signal 且 and does not emit light in response to the power-off signal OFF. The photo-electric crystal ρΤ2 and the starting resistor R1 are coupled in series between the output of the AC-to-DC converter 33 and the power supply terminal vcc of the PWM controller IC1, and the photo-electric crystal PT2 is turned on in response to the light-emitting diode pD2 and is in response to the light-emitting diode The body PD2 is disconnected without emitting light. As shown in Figure 2, the general optocoupler 〇cl has its photo-crystal 8 M364897 •, the body PT1 has a collector-to-emitter voltage VCE 〇 typically 35 尔 when the base is turned on, and Figure 3, not just the 0C2 The phototransistor PT2 has a collector-to-emitter voltage VCE〇 when it is turned on. It must be able to withstand a high voltage of 500V. When the power supply ϋ 3 receives the power-on signal (10) from the MOI and operates normally, the switch Q21 is turned on so that the DC voltage +5V, the resistor R22, the diode (10), the illuminator-pole PD2, and the switch (10) are grounded. For the path, the light-emitting diode pD2 emits light due to the flow of current, and the photoelectric crystal PT2 is turned on by detecting the light emitted by the light-emitting diode pD2, thereby further converting the H 33 round output from the alternating current to the direct current, and starting the resistor. R Bu photoelectric crystal PT2 to PWM controller IC1 f source VCC is also a path, so the DC voltage Vdc can be sent to the PWM at the instant of the DC voltage Vdc at the output of the AC to DC converter. The controller IC1 power terminal VCC causes the PWM controller IC1 to start to operate and control the power on_switching, so that the transformer T1 establishes the auxiliary power supply to supply the power to the controller IC1, and the PWM controller IC1 starts to control the AC to DC converter. 34 provides an output DC power supply Vo for use with the power supply product. When the power supply 3 receives the power off signal OFF of the leg output and is in the standby mode, the switch Q21 is turned off, so that the voltage from the direct pull +5V, the resistor R22, the diode D22, the light emitting diode PD2, the switch Q21 When the ground is broken, the light-emitting diode PD2 does not emit light because no current flows, and the photo-electric crystal pT2 Luin is disconnected from the light, thereby making the output from the AC to DC converter 33, the starting resistor R1, and the photoelectric The crystal PT2 to the PWM controller IC1 power supply terminal vcc is also open circuit, so the DC voltage Vdc generated at the output of the AC to DC converter 33 cannot be sent to the power supply terminal VCC of the pwM controller IC1 to start the PWM controller IC1, to the AC to The DC converter 34' does not operate and does not provide an output DC power source Vo for use with the power supply product. 4 to 7 are circuit diagrams of the second to fifth embodiments of the author power supply. The power supply shown in Figures 4 through 7 differs from the power supply 3 shown in Figure 3 only in the switching circuit of the control circuit. Referring to FIG. 4, the switching circuit of the power supply 4 control circuit 45 includes an isolating switch 0C1, a switch Q22, and a resistor R23, wherein the resistor R23 is used to establish the operating voltage of the switch M22, which is composed of a transistor. The isolating switch (10) is a light-emitting device, and includes a light-emitting device PD1 and a detecting device pT. In this example, the light-emitting device pD1 is a light-emitting diode device ρτι is a photoelectric crystal, but is not limited thereto. The photo transistor PT1 of the light fitting 〇cl is turned on in response to the power-on signal 〇N and is turned off in response to the power-off signal OFF. The switch Q22 and the starting resistor R1 (4) are secreted between the AC output converter and the PWM controller id power supply terminal vcc. The switch is turned on and responds to the photonic crystal PT1 in response to the optical combiner 0C1. The photo transistor PT1 of the light clutch 〇α is turned off and turned off. The power supply 4 is changed to be connected to the AC to DC conversion II 33 output terminal and the PWM control n IC1 power supply terminal ν (there is therefore no need to use the photonic crystal ρτ2 having a high VCE0 as shown in FIG. 3). The optical handle combiner (10), and only need to use the general optical coupler 0Q as shown in Fig. 2. Referring to Figure 5, the switching circuit of the power supply 5 control circuit 55 includes the isolating switch 0C3. The isolating switch 0C3 is light bonding The device includes a light-emitting device pD3 and a detecting device m. In this example, the light-emitting device PD3 is a light-emitting diode, and the detecting device ρτ3 is an optical fluid, but is not limited thereto. The light-emitting diode PD3 is turned on in response to the power supply. The signal illuminates and illuminates in response to the power-off signal OFF. The shutter fluid ρΤ3 is, for example, a thyristor or a triac, and is connected to the AC to DC converter output terminal and PWM. The power supply terminal να of the controller IC1 is turned off by detecting the light emitted by the light-emitting diode pD3, and is turned off or not detected. 〇月参..., Figure 6 'Power supply 6 control circuit 65 The switching circuit includes a relay RL2, which The relay RL2 includes a switch chat and a coil LS2. The switch is lightly connected between the output of the AC to DC converter 33 and the power supply terminal of the controller IC1. When the power supply 6 receives the power ON signal 0N, the coil is said to have The current_ generates electromagnetic induction and the control M2 is turned on, that is, the LS2 responds to the power-on signal (the control gate SW2 is turned on. When the power supply 6 receives the power-off signal 〇ff, no current flows through the power supply 6 does not generate Electromagnetic induction and control switch SW2 is disconnected, that is, the coil is disengaged as M364897. • The control switch SW2 is turned off in response to the power off signal OFF. The backlight circuit of the power supply 7 control circuit includes a pulse transformer T2 : a rectifying filter and a switch composed of a diode D23 and a capacitor C21. The pulse transformer a T2 is a side voltage winding NH and a low voltage side winding NL, and the high side winding NH receives a power ON signal or a power off signal. The low-voltage side winding NL is connected to a rectifying chopper composed of a diode D23 and a capacitor C21. The output of the rectifying filter is also connected to the Zener-pole ZD1 for voltage regulation and is connected through a resistor R24. The switch Q23 is turned on or off by the control-made switch Q23. The switch Q23 is connected between the output of the AC-to-DC converter 33 and the PWM control If IC1 power supply terminal VCC, and is turned on or off in response to the rectifier chopper output. When the high-voltage tender group is pure to the electric switch QN, the energy is transmitted from the straight μ voltage +5V, the resistor R22, the diode D22, the high-voltage side winding NH, the switch Q21 to the ground, and the same-side winding ΜΗ To the low-voltage side winding, the low-voltage side winding randomly outputs the pulse health, and the pulse money is rectified by the rectifier ship (10) and the ship becomes DC power to control the switch Q23 to conduct. When the high-voltage side winding ΝΗ receives the power-off signal 〇FF', the voltage from the DC voltage +5V, the resistor R22, the diode D22, the high-voltage side winding NH, and the switch Q21 to the ground is broken, and the high-voltage side winding book cannot transfer energy. To the low-voltage side winding NL, the low-voltage side winding sees no output signal, so the switch q23 is turned off. As stated above, the author's power supply uses a circuit between the AC to DC converter output and the DC to DC converter H control circuit. When the power supply is normal, the switch circuit is turned on during operation. Controlling the weaving road (4) and controlling the weaving flow to the money converter to replace the new power into at least the touch lion. When the shouting device is in the standby mode, the switch circuit is disconnected, so that the control circuit does not operate and the DC is controlled. To DC conversion, no action and no output, can reduce standby power consumption, but there is no problem that the existing power supply is inconvenient to use, easy to produce sound, easy to produce impurities, long life and low reliability, and expensive parts. Although the present invention has been disclosed above in the preferred embodiment, it is not intended to limit the creation of M364897. Anyone skilled in the art is not able to protect the creation of the creation.棚#After the attachment (4) Patent Fanqi [Simple description of the diagram] Figure 1 is a circuit diagram of a power supply that is currently used in electrical products. Fig. 2 is a circuit diagram of another electric secret device which is currently applied to a product. Figure 3 is a circuit diagram of a first embodiment of the authoring power supply. 4 to 7 are circuits of the second to fifth embodiments of the present power supply device. [Main component symbol description] 1 to 7: power supply 12, 32: electromagnetic interference (EMI) filters 14, 24, 34 : DC to DC converters 45, 55, 65, 75: Control circuit 26, RL2: Relay LSI, LS2: Relay coils C1 to C5, C11 to C15: Capacitors D1 to D3, D11 to D13: Diode F1: Fuse Lb L11: Inductor NTC1: Thermistors PD1 to PD3: Light-emitting diodes 11, 31: Protection circuits 13, 23, 33: AC to DC converters 15, 25, 35: Control circuit 16: AC switch SW1, SW2: Relay switch BD1, BD11: Bridge rectifier C2 BuCX1: Capacitor D21~D24: Diode 1C IC11: Pulse width modulation (PWM) controller LF1: Common mode choke coil 0C1~0C3: Photocoupler PT, PT2: Photoelectric crystal
M364897 PT3 :光閘流體 Q21、Q22、Q23 :開關 R2〜R5、R11〜R15 :電阻器 T1、T11 :變壓器 NS :次級繞組 Τ2 :脈衝變壓器 NL :低壓側繞組 VCC :電源端 CS :感測端M364897 PT3: Shutter fluid Q21, Q22, Q23: Switch R2~R5, R11~R15: Resistor T1, T11: Transformer NS: Secondary winding Τ2: Pulse transformer NL: Low-voltage side winding VCC: Power supply terminal CS: Sensing end
Vac :交流電源Vac : AC power supply
Vsb :待機直流電源 OFF :電源關閉信號 Q1、Q11 :功率開關 R1 :啟動電阻器 R21〜R24 :電阻器 NP :初級繞組 NA :輔助繞組 NH :高壓側繞組 ZD1 :齊納二極體 GND :接地端 OUT :輸出端 Vdc :直流電壓 Vo :輸出直流電源 ON :電源開啟信號 13Vsb : Standby DC power supply OFF : Power off signal Q1 , Q11 : Power switch R1 : Startup resistor R21 to R24 : Resistor NP : Primary winding NA : Auxiliary winding NH : High side winding ZD1 : Zener diode GND : Ground Terminal OUT: Output Vdc: DC voltage Vo: Output DC power ON: Power on signal 13