200926898 九、發明說明: 尤其疋關於一種可偵測燈 【發明所屬之技術領域】 本發明係一種電子安定器 管明滅之電子安定器。 【先前技術】 ❹ 請參考第三圖,一般的燈管(40)均 定器才能順利開啟’ $定器可概分為傳統::女 定器(3CO兩類。由於電子安定器(3〇)=與電子安 爍、低噪音...等優點,因此逐漸地廣為應用電、不閃 ⑶料-子電安磁定皮器千包含依序串接之-電力輪入電路 電磁波干擾滤波迴路(32)、—整流 一功因修正迴路(34)、_翻㈣迴 載電路(36),且該負編( )以及-負 迴路(W連接,而該保護迴.路(37)^ =與一保護 譜振駆動迴路(35)之輸人端。 】^則連接该 其中’ 5玄5皆振驅動迴路^ (351);… )内部包含-預熱迴路 〔351 ),该預熱迴路作為預教盥 接之燈管(40) w碎…、…-定器(3〇)連 縮短使用壽命。^糸’以避免該燈管(叫硬啟動而 而傳統的電子安定器(3〇)之預熱迴路(3⑴之 電源輸入係來自於該負載 雷技, 戰電路(36)的變壓器,由於負載 :=6)之變壓器之輪出穩定度不足,因此,經常造成 δ玄預熱迴路(351 )睡p气恭丄±人 4電力輪入過大而毀損其内部之元 4 200926898 件。 【發明内容】 為解決既有電子式安定器的預熱迴路其電力輸入 容易導致内部元件毁損的問題’本發明係將該預熱迴路: 電力輸入端由該保護迴路改接於該諧振驅動迴路内部之— 控制晶片,以改善前述的問題。 Ο200926898 IX. INSTRUCTIONS: In particular, a detectable lamp [Technical Field of the Invention] The present invention relates to an electronic ballast for an electronic ballast. [Prior Art] ❹ Please refer to the third figure. The general lamp (40) homogenizer can be smoothly turned on. The $ sizing device can be divided into the traditional:: the female device (3CO two types. Because of the electronic ballast (3〇 ) = with the advantages of electronic security, low noise, etc., so gradually the application of electricity, no flash (3) material - sub-electrical magnetic stator, including thousands of serially connected - electric wheel circuit electromagnetic wave interference filtering Circuit (32), - rectification due to correction circuit (34), _ turn (four) return circuit (36), and the negative () and - negative circuit (W connection, and the protection back. Road (37) ^ = and the input end of a protection spectrum pulsation circuit (35). 】 ^ then connect the '5 玄5 振 振 振 drive circuit ^ (351); ...) internal contain - preheat circuit [351), the preheating The circuit acts as a pre-educated light tube (40) w...,...-station (3〇) to shorten the service life. ^糸' to avoid the lamp (called a hard start and the traditional electronic ballast (3〇) preheating circuit (3 (1) power input is from the load of the lightning, the circuit (36) transformer, due to the load :=6) The stability of the transformer's wheel is insufficient. Therefore, it is often caused that the δ Xuan preheating circuit (351) sleeps, and the electric power is too large to damage the internal element 4 200926898 pieces. In order to solve the problem that the power input of the preheating circuit of the existing electronic ballast is easy to cause internal components to be damaged, the present invention relates to the preheating circuit: the power input terminal is connected to the inside of the resonant driving circuit by the protection circuit. Control the wafer to improve the aforementioned problems.
本發明係提供一種具穩定預熱迴路之電子安定器,龙 序串接之一電力輸入電路、—電磁波干擾濾波迴 、-整流迴路、-功因修正迴路、—諧振驅動迴路以及 一負载料’且該負載電路之輸出端係另與—保護迴路連 接’而該保護迴路則與該諧振驅動迴路形成電性連宜 特徵在於: 八 以振驅動迴路内部包含—預熱迴路以及—控制晶 片,該預熱迴路係可對與該電子安定器形成電性連接之— 燈管内之燈絲進行預熱4該預熱迴路之電力輸人來自於 忒S皆振驅動迴路内之一控制晶片。 其中,該控制晶片係為一半橋式震盈晶月,其包含一 電壓輪出4、―震盈時序電阻控制輸人端以及-震堡時序 电谷控制輸入端; 、该預熱迴路之電力輪人端連接該電㈣㈣,且該預 熱迴路之輸出端連接号:雪、·基η·± e + Μ震盧0守序電阻控制輸入端以及該震 盈時序電容控制輪入端。 其中,該預熱迴路係改變輸出至該控制晶片之導通時 5 200926898 間而改變該控制晶片間 其中,#福勒,接輻出—至A变内燈絲的震盪頻率。 '、 / 沿路係改變輸出至該控制晶片之於 阻而改變該控制晶片間接 月之輪入電 其中,该預熱迴路係改變輸出至該: 羊 -谷而改變該控制晶片間接輸出至燈管内燈絲之輪入電 • 由於本笋明夕箱也、 辰盈頸李。 七月之預熱迴路電路輸入來自於該 而控制晶片具有呈釋定处外々认, 制日日片’ 二 有至稔疋狀態之輪出,因此,不僅 §亥預熱迴路内部的元株 保5蒦 Ο ^ , ,也可以維持與傳統預熱迴路對严 ^官内部燈絲預熱的功效。 對絚 【實施方式】 〜月^考第一圖,係為本發明一具穩定預熱迴路之希 安定器(10)之較佳實施例,其包含依序串接之一電:輪 電路(11 )、—電磁波干擾遽波迴口 跋r 1 Q、 豎流迴 、一功因修正迴路〇 4 )、一諧振驅動迴路(1 5 ) ❹負载電路(16),且該負載電路(16)之輸出端係 另與—保護迴路(17)連接,而該保護迴路(17)與料 .振驅動迴路(15)形成電性連接。其中,該負載電路(16) 係與一燈管(20)形成電性連接。 。月參考第二圖,其為本發明較佳實施例之電路圖該電 力輸入電路(11)之輸入端與一電源連接,將接收之電力 依序透過該電磁波干擾濾波迴路(彳2 )、整流迴路(13)、 功因修正迴路(14)分別進行濾波、整流及功率因數修正 後,輸出至該諧振驅動迴路(15),而該諧振驅動迴路(15) 6 200926898 形成-諧振輸出至該負裁電路(16),該負載電路( 則作為料振驅動迴路(15h及該燈管 出匹配,且該保護迴路(17)則為㈣振驅動迴 ^ 及該負載電路(16)之保護電路。 其中’該諧振驅動迴路(15)内部包含一預熱迴路 川以及—控制晶#(U2)。其中,該控制晶片( 係為-可調整震盪頻率的晶月,本較佳實施例之控制晶片 (U2) (Self-Oscillating Half BridgeThe invention provides an electronic ballast with a stable preheating circuit, one of the power input circuits of the serial sequence, the electromagnetic wave interference filtering back, the rectifying circuit, the power factor correcting circuit, the resonant driving circuit and a supporting material And the output end of the load circuit is further connected to the protection circuit, and the protection circuit is electrically connected to the resonant drive circuit. The eight-in-one drive circuit includes a preheating circuit and a control chip. The preheating circuit can preheat the filament in the lamp tube electrically connected with the electronic ballast. 4 The power input of the preheating circuit is from one of the control wafers in the 皆S isotropic drive circuit. Wherein, the control chip is a half bridge type shock crystal moon, which comprises a voltage wheel 4, a “seismic time series resistance control input end, and a “Shenbao timing electric valley control input terminal”; and the power of the preheating circuit The wheel end is connected to the electric (4) (4), and the output connection number of the preheating circuit is: snow, · base η · ± e + Μ shock Lu 0 sequence resistance control input terminal and the oscillation timing capacitor control wheel input end. Wherein, the preheating circuit changes the output to the control wafer when the conduction time is 5 200926898 and changes the oscillation frequency of the inner filament in the control wafer. ', / change the output to the control chip along the path to change the indirect monthly input of the control chip, the preheating circuit changes the output to the: sheep-valley and changes the control chip indirect output to the lamp The filament wheel is powered in. Because of this bamboo shoots, the box is also, Chen Ying neck Li. In July, the input circuit of the preheating circuit is derived from this, and the control wafer has a release point, and the Japanese and Japanese films are in the state of "two to the state". Therefore, not only the internal strain of the inside of the preheating circuit Guarantee 5蒦Ο ^ , , can also maintain the effect of the preheating of the internal filament with the traditional preheating circuit.絚[Embodiment] 〜月^考第一图 is a preferred embodiment of a stable ballast (10) of a stable preheating circuit of the present invention, which comprises a series of electric series: wheel circuit ( 11), - electromagnetic wave interference chopping back 跋r 1 Q, vertical flow back, one power factor correction circuit 〇 4), a resonant drive circuit (1 5 ) load circuit (16), and the load circuit (16) The output end is additionally connected to the protection circuit (17), and the protection circuit (17) is electrically connected to the material vibration drive circuit (15). The load circuit (16) is electrically connected to a lamp tube (20). . Referring to the second figure, which is a circuit diagram of a preferred embodiment of the present invention, the input end of the power input circuit (11) is connected to a power source, and the received power is sequentially transmitted through the electromagnetic wave interference filter circuit (彳2) and the rectification circuit. (13), after the power correction circuit (14) performs filtering, rectification, and power factor correction, respectively, and outputs to the resonant driving circuit (15), and the resonant driving circuit (15) 6 200926898 forms a resonant output to the negative cutting The circuit (16), the load circuit (as a material vibration drive circuit (15h and the lamp tube is matched, and the protection circuit (17) is a (four) vibration drive back and a protection circuit of the load circuit (16). The resonant drive circuit (15) internally includes a preheating circuit and a control crystal #(U2), wherein the control wafer is a crystal cell of an adjustable oscillation frequency, the control wafer of the preferred embodiment ( U2) (Self-Oscillating Half Bridge
Dnver),例如—IR2153、|R2等晶片。該預熱迴 路(1 51 )之電源輸入連接至該控制晶片(u2 )之—電壓 輸出端(Vs),而該預熱迴路(151)之兩個輸出端則分 別連接該控制晶片(U2 )的一震盪時序電阻控制輪入端 (RT)以及一震盪時序電容控制輸入端(CT),其中,Dnver), for example, IR2153, |R2 and other wafers. The power input of the preheating circuit (1 51) is connected to the voltage output terminal (Vs) of the control chip (u2), and the two output terminals of the preheating circuit (151) are respectively connected to the control chip (U2). An oscillating timing resistor controls the wheel input (RT) and an oscillating timing capacitance control input (CT), wherein
忒預熱迴路(1 51 )係藉由改變其輸出至該控制晶片(U2 ) 的一震盪週期或一輸入電阻及一輸入電容,而改變該控制 晶片(U2 )之一輸出震盪頻率,間接改變輸出至該燈管(2〇 ) 的頻率,使燈管(20 )内的燈絲於啟動初期獲得具有較高 震盈頻率的電力輸入而達到預熱效果。 s玄預熱迴路(151 )可包含第一電晶體(SQ1 )、第 二電晶體(SQ2)、複數個電阻(SR13、SR14、SR15、 SR16'SR17)、一基納二極體(SZ2)、一二極體(SD4) 以及一時序控制電容(E2 )。其中,該電壓輸出端(Vs ) 串接一 f皆振驅動迴路(1 5 )中的順向偏壓控制二極體·( SD2 ) 之後’串接該電阻(SR1 6 )而分別連接至該預熱迴路(1 51 ) 7 200926898 中第-電晶體(SQ1)的基極與第—電晶冑(sQ2)之集 極;該第二電晶體(SQ2)之基極順向串接該基納二極體 (:Z2)之後,串接該時序控制電容(E2),該時序控制 電合(E2 )之另-端接地。該時序控制電容(E2 )與該基 納—極體(SZ2 )之間的節點,係供前述二極體(如4 ) 及"玄電阻(SR17 )並聯連接,二極冑(SD4 )及該電阻 (SR17 )的另端均連接該電阻(SR16 )。其巾,該時序 扛制電令(E2 )之衝放電時間週期,決定該電晶體(SQ2 ) (SQ1 )之導通與否,使該控制晶片(u2 )的震盪週期或 輪入電阻及輸入電容得以改變,達到改變輸出震盪頻率之 目的0 【圖式簡單說明】 第一圖係為本發明之較佳實施例方塊圖。 第一圖係為本發明之較佳實施例電路圖。 第二圖係為既有電子安定器之電路圖。 【主要元件符號說明】 (1 0)電子安定器 (11) 電力輸入電路 (12) 電磁波干擾濾波迴路 (1 3)整流迴路 (1 4)功因修正迴路 (15) s皆振驅動迴路 8 200926898 (151)預熱迴路 (16) 負載電路 (17) 保護迴路 (20)燈管 (U2)控制晶片 (SQ1)第一電晶體 (SQ2)第二電晶體 S R1 7)電阻 (SR13、SR14、SR15、SR16 ❹ (SZ2)基納二極體 (SD4)二極體 (E2)時序控制電容 (30) 電子安定器 (31) 輸入電路 (32) 電磁波干擾濾波迴路 (33) 整流迴路 (34) 功因修正迴路 ® (35)諧振驅動迴路 (351)預熱迴路 (36) 負載電路 (37) 保護迴路 (40)燈管The 忒 preheating circuit (1 51) changes the output oscillation frequency of one of the control wafers (U2) by changing an oscillation period of the output to the control chip (U2) or an input resistance and an input capacitance, indirectly changing The frequency output to the lamp (2〇) is such that the filament in the lamp (20) obtains a power input with a higher amplitude and frequency at the initial stage of startup to achieve a warm-up effect. The smectite preheating circuit (151) may include a first transistor (SQ1), a second transistor (SQ2), a plurality of resistors (SR13, SR14, SR15, SR16'SR17), and a Zener diode (SZ2) , a diode (SD4) and a timing control capacitor (E2). Wherein, the voltage output terminal (Vs) is connected in series with a forward bias control diode (SD2) in the f-vibration drive circuit (15), and then connected to the resistor (SR1 6) in series Preheating circuit (1 51 ) 7 200926898 The base of the first transistor (SQ1) and the collector of the first transistor (sQ2); the base of the second transistor (SQ2) is connected in series with the base After the nanodiode (:Z2), the timing control capacitor (E2) is connected in series, and the timing control is connected to the other end of the junction (E2). The node between the timing control capacitor (E2) and the Zener-pole (SZ2) is connected in parallel with the diode (such as 4) and the "Xuan resistance (SR17), and the diode (SD4) and The other end of the resistor (SR17) is connected to the resistor (SR16). The towel, the timing of the timing of the electrical discharge (E2), determines whether the transistor (SQ2) (SQ1) is turned on or off, and causes the oscillation period or the wheel resistance and the input capacitance of the control chip (u2). It can be changed to achieve the purpose of changing the output oscillation frequency. [FIG. Brief Description] The first figure is a block diagram of a preferred embodiment of the present invention. The first figure is a circuit diagram of a preferred embodiment of the present invention. The second figure is a circuit diagram of an existing electronic ballast. [Main component symbol description] (1 0) Electronic ballast (11) Power input circuit (12) Electromagnetic wave interference filter circuit (1 3) Rectifier circuit (1 4) Power factor correction circuit (15) s All-vibration drive circuit 8 200926898 (151) Preheating circuit (16) Load circuit (17) Protection circuit (20) Lamp (U2) Control chip (SQ1) First transistor (SQ2) Second transistor S R1 7) Resistance (SR13, SR14, SR15, SR16 ❹ (SZ2) Kina diode (SD4) diode (E2) timing control capacitor (30) electronic ballast (31) input circuit (32) electromagnetic interference filter circuit (33) rectifier circuit (34) Power Correction Circuit® (35) Resonant Drive Circuit (351) Preheat Circuit (36) Load Circuit (37) Protection Circuit (40) Lamp