五、新型說明： 【新型所屬之技術領域] 本創作係有關於—種返驰式電力供應器之L E D燈具光 度調整結構，尤其是指—觀有效提高其使職率，且降低其 在切換過程巾所&叙功率損失，而在其整體施行使用上更增 實用功效特性之返㈣電力供顧之L E D燈具光度調整結 構創新設計者。 【先前技術】 ，按，隨著高階電腦的快速發展人類早已步人電力電子的時 代’而電力半__元件的快速發展，更是使得新式功率開 關元件如Power m〇SFEt、igbt、mct等， 讓元件得以_高_換進行電能纽，電力電子也可令產品 達J U短小、ν效能轉換、可靠度高」的理想等級。 其中’就電源轉換器而言，電源轉換器係為各類儀器設備 中必需的基本動力麵，但現在卻未符合賊各種產品及時勢 而求最理想的方式就是採用切換式電源供應器的設計方式， 提问切換頻率減少佔據大多數重量的㈣器及電感同時也可 減低成本問題L #切換效率提高時，亦會增加切換損失 的問題。也因此’如何提高效率、減低诚損失，取得彼此之 間的平衡即係為現今最重要的課題。 緣疋’創作人有鑑於此，秉持多年該相關行業之豐富設計 開發及實際製作經驗，針對現有之結構及缺失料研究改良， 再提供-赋電力供應E 具歧婦結構，以 期達到更佳實用價值性之目的者。 【新型内容】 本創作返赋電力供絲之L E D祕歧結構，該 光度調整結構主要係於A C市電輸入端連接有橋式整流器，於 該橋式整流H之輪出端分別連接魏波電容及赠寬度調變 控制器’且於該脈波寬度調變控制器連接有可變電阻，而該濾 皮電谷連接有功率開關及隔離⑧頻變，該隔離高頻變壓器 之二次侧輸出則連接有整流二極體及輸出遽波電容；藉此，以 能有效提高其朗效率，且降低其在切_程巾所造成之功率 損失，而在其整體贿制上更增實心力效特性者。 【實施方式】 為令本創作所獅之技術内容、_目的及其達成之功效 有更完整且清朗揭露，下詳細朗之，並請—併參閱所 揭之圖式及圖號： 首先，請參閱第-圖本創作之電路示意圖所示，本創作之 光度調整結構（1)主要係於A C市電輪人端（i丨）連接有 橋式整流H ( 1 2 ) ’於該橋式整流n ( i 2 )之輸出端分別 連接有毅電容（1 3 )及脈歧度調變控制H ( 1 4 )，該 脈波寬度調變控制ϋ(i 4)係為—單端輸出式電流模式型脈 波寬度調變控制器Uu„ent—mQde eQnu 01〕如.IC UC3842,且於該脈波寬度調變控制 M379927 器（1 4 )連接有可變電阻（1 41)，而該濾波電容（1 3 ) 連接有功率關（1 5 )及隔離高頻變壓器（！ 6 )，該隔離 向頻變壓器（1 6 )之二次侧輸出則連接有整流二極體（工7 ) 及輸出濾波電容（18)。 如此一來’使得本創作之光度調整結構Q )於使用上主 要係令A C市電輸入端（丄丄）連接市電後，令冑電輸入至該 橋式整流器（1 2 )，經該橋式整流器（1 2 )整流後的〇 c 直流電分別輸出至主電路的濾波電容（丄3 )及供給脈波寬度 調變控制器（1 4)工作電壓，該脈波寬度調變控制器（14 ) 係為一單端輸出式電流模式型脈波寬度調變控制器〔c u r r e n t -m ode control〕，如：ic U C 3 8 4 2，而由該濾波電容（i3)濾波後之D c直流電經由功率 開關（15)導通截止至隔離高頻變壓器（丄6 )，於該隔離 面頻變壓器（16)二次側輸出至整流二極體（i 7)後，經 由輸出遽波電容（18)遽波後輸出至負載，再經由輸出電壓 迴授至隔離高頻變壓器（1 6 )將迴授信號輸入脈波寬度調變 控制器（1 4 )，該脈波寬度調變控制器（i 4 )藉由可變電 阻（1 4 1 )之調整令電壓迴授與電流迴授分別經由比較後， 調整觸發錢PWM再輸出至神關（χ 5 )，即可達到調 整控制輸出電壓之功效。 前述之實施例或圖式並非限定本創作之結構樣態，任何所 屬技術領域中具有通常知識者之適當變化或修飾，皆應視為不 5 M379927 脫離本創作之專利範疇。 藉由以上所述’該架構之組成與使用實施說明可知，本創V. New description: [New technology field] This creation department has a photometric adjustment structure for LED lamps of a kind of flyback power supply, especially refers to effectively improving the service rate and reducing its switching process. Towels & 〗 〖Power loss, and in its overall implementation, the use of more useful features (four) power supply LED lighting luminosity adjustment structure innovative designers. [Previous technology], according to the rapid development of high-end computers, humans have already stepped into the era of power electronics, and the rapid development of power semi-_ components has made new power switching components such as Power m〇SFEt, igbt, mct, etc. In order to allow the components to be _ high _ for electric energy, the power electronics can also make the product ideal for short JU, ν performance conversion and high reliability. Among them, as far as the power converter is concerned, the power converter is the basic power surface necessary for all kinds of instruments and equipments, but now it is not in line with the thief's various products and the most ideal way is to adopt the design of the switching power supply. In this way, the questioning switching frequency is reduced. The (four) device and the inductor occupying most of the weight can also reduce the cost problem. When the switching efficiency is improved, the switching loss problem is also increased. Therefore, how to improve efficiency, reduce honesty, and achieve a balance between them is the most important issue today. In view of this, the creators of the 疋 疋 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉 秉The purpose of value. [New content] This creation returns the LED secret structure of the power supply wire. The photometric adjustment structure is mainly connected to the AC mains input terminal with a bridge rectifier, and the Weibo capacitor is connected to the output end of the bridge rectification H. a width modulation controller is provided, and a variable resistor is connected to the pulse width modulation controller, and the filter skin is connected with a power switch and an isolation 8 frequency change, and the secondary side output of the isolated high frequency transformer is The rectifier diode and the output chopper capacitor are connected; thereby, the utility model can effectively improve the efficiency of the device, and reduce the power loss caused by the cutting blade, thereby increasing the solid effect characteristics in the overall bribe. By. [Embodiment] In order to make the technical content, _ purpose and the effect of the lion's lion's technology more complete and clear, please make a detailed description, and please - and refer to the drawings and drawings: Referring to the circuit diagram of the first picture, the luminosity adjustment structure (1) of this creation is mainly connected to the AC main wheel (i丨) connected with bridge rectifier H (1 2 ) 'in the bridge rectifier n The output terminals of (i 2 ) are respectively connected with a capacitor (1 3 ) and a pulse-modulus modulation control H (1 4 ), and the pulse width modulation control ϋ (i 4) is a single-ended output current mode. The pulse width modulation controller Uu„ent—mQde eQnu 01] is , for example, IC UC3842, and the pulse width modulation control M379927 (1 4 ) is connected with a variable resistor (1 41), and the filter capacitor (1 3 ) Connected with power off (1 5 ) and isolated high frequency transformer (! 6 ), the secondary side output of the isolated frequency transformer (1 6 ) is connected with a rectifying diode (工 7 ) and output filtering Capacitor (18). As a result, the luminosity adjustment structure Q of this creation is mainly used to make the AC mains input terminal (丄) After connecting the mains, input the electric current to the bridge rectifier (1 2 ), and the 〇c direct current rectified by the bridge rectifier (1 2 ) is respectively output to the filter capacitor (丄3) of the main circuit and the supply pulse. The wave width modulation controller (14) operating voltage, the pulse width modulation controller (14) is a single-ended output current mode type pulse width modulation controller (current-m ode control), such as :ic UC 3 8 4 2, and the DC current filtered by the filter capacitor (i3) is turned on and off to the isolated high frequency transformer (丄6) via the power switch (15), and the isolation surface frequency transformer (16) After the secondary side is output to the rectifying diode (i 7), it is chopped by the output chopper capacitor (18) and output to the load, and then fed back to the isolated high-frequency transformer (1 6 ) via the output voltage to input the feedback signal. The wave width modulation controller (1 4 ), the pulse width modulation controller (i 4 ) adjusts the voltage feedback and the current feedback by adjusting the variable resistance (1 4 1 ) The money PWM is output to the Shenguan (χ 5) to adjust the control output voltage. The foregoing embodiments or drawings are not intended to limit the structure of the present invention, and any suitable variations or modifications of the ordinary skill in the art should be considered as not departing from the scope of the present invention. The composition of the architecture and the implementation instructions show that
作與現有架構相較之下，本創作主要係令該光度調整結構於A C市電輸入端連接有橋式整流器，於該橋式整流器之輸出端分 別連接有濾波電容及脈波寬度調變控制器，且於該脈波寬度調 變控制器連接有可變電阻，而該濾波電容連接有功率開關及隔 離尚頻變壓器’該隔離高頻變壓器之二次側輸出則連接有整流 一極體及輸出濾波電容，以能有效提高其使用效率，且降低其 在切換過程中所造成之功率損失’巾在其整體施行使用上更增 實用功效特性者。 綜上所述，本創作實施例確能達到所預期之使用功效，又 其所揭露之具體構造，不僅未曾見於同類產品中，亦未曾公開 於申請前’誠已完全符合專嫩之蚊與m依法提出新 型專利之申請，懇請惠予審查，並賜准專利，财感德便。 6 M379927 【圖式簡單說明】 第一圖：本創作之電路示意圖 【主要元件符號說明】 (1) 光度調整結構 (11) A C市電輸入端 (12) 橋式整流器 (13) 濾波電容 (14) 脈波寬度調變控制器 (141)可變電阻 (15) 功率開關 (16) 隔離高頻變壓器 (17) 整流二極體 (18) 輸出濾波電容Compared with the existing architecture, this creation mainly connects the photometric adjustment structure with a bridge rectifier connected to the AC mains input terminal, and a filter capacitor and a pulse width modulation controller are respectively connected to the output end of the bridge rectifier. And the pulse width modulation controller is connected with a variable resistor, and the filter capacitor is connected with a power switch and an isolated frequency transformer. The secondary side output of the isolated high frequency transformer is connected with a rectifying body and an output. The filter capacitor can effectively improve the efficiency of use, and reduce the power loss caused by the switching process, and the utility model has more practical utility characteristics in its overall implementation. In summary, the present embodiment can achieve the expected use efficiency, and the specific structure disclosed is not only found in similar products, nor has it been disclosed before the application. To file an application for a new type of patent in accordance with the law, please give it a review and grant a patent. 6 M379927 [Simple description of the diagram] The first picture: schematic diagram of the circuit of the creation [Key component symbol description] (1) Photometric adjustment structure (11) AC mains input terminal (12) Bridge rectifier (13) Filter capacitor (14) Pulse Width Modulation Controller (141) Variable Resistor (15) Power Switch (16) Isolated High Frequency Transformer (17) Rectifier Diode (18) Output Filter Capacitor