200810608 • 九、發明說明： - 【發明所屬之技術領域】 ▲本發明係㈣於-種螢光燈管的調光方法及其裝置，特別是一種透過 改祕電魏n之驅動方式，進而改變其輸出電壓與電辦制調整熱陰 極螢光燈管之亮度的方法及其裝置。 …π 【先前技術】 按’ ^今市社常見日紐的触鶴，係直接以日光燈之兩端電極 •與—啟動11、—安定器及—開關形成雜連接，而日絲簡單的說是一個 .密_聽《管。㈣主要纽為氬（吨on)氣（另包錢η⑽或氪 心_)氣_大氣的0.3%。另外，亦包含約占所有氣體 少許水銀。 U j 日光燈W需有夠電場加速電子，使管喊體游離，形成激發態 乳體（水銀原子吸收了電子動能）轉為電磁波輻射出來，而發出紫外光。 面的營光物質吸收紫外光釋放出可見光，而不同的榮光物質200810608 • Nine, invention description: - [Technical field to which the invention belongs] ▲ The invention is a method and device for dimming a fluorescent tube, in particular, a driving method for changing the security of Wei Wei, and then changing The method and device for adjusting the brightness of the hot cathode fluorescent lamp by the output voltage and the electric system. ...π [Previous technology] According to the 'Tongjin City Community's common day, the contact cranes are directly connected to the electrodes at both ends of the fluorescent lamp, and the start-up 11, the stabilizer and the switch, and the Japanese wire is simply said to be One. Secret_Listen to the tube. (4) The main New Zealand is argon (tons of) gas (additional money η (10) or 氪 heart _) gas _ atmospheric 0.3%. In addition, it also contains about a small amount of mercury in all gases. U j Fluorescent lamp W needs to have enough electric field to accelerate the electrons, so that the pipe body is free to form an excited state. The milk body (the mercury atom absorbs the electron kinetic energy) is converted into electromagnetic wave radiation, and emits ultraviolet light. The camping light material absorbs ultraviolet light to emit visible light, while different glory materials
會發出不同的可見光。 S 日光燈可達到照明之制目的，但是由於習用的日光燈亮度， =不=依據使用者安裝的環境進行調整，其亮度係取決於燈管的長度，若 =極:=用環境的照明亮度，則必須更換不同長度的燈管，造成使 【發明内容】 本發明基本上係為—種熱陰極螢歧管_光方法 ，以及脈波寬度調變之手段，改變壓電變壓器”種^ 達到調整熱陰極營光燈管之亮度的目的。 “4机，進而 的丘扭，：係利用°白振頻率控制單元動態地改變其用以驅動壓電變壓哭 m率’簡言之就是透勒__方式暖壓電變鞋之電壓二 :的：_電繼之輸_與電流，以繼極螢光^管 士 ΓΓΓ的f 一目的在提供一種可以調整壓電變壓器之輸出電壓盘電 ，瓜’而且又不會對其使用壽命造成不良影響的電源控制裝置。…電 5 200810608Will emit different visible light. S fluorescent lamp can achieve the purpose of lighting, but due to the brightness of the conventional fluorescent lamp, = not = according to the user's installation environment, the brightness depends on the length of the lamp, if = pole: = ambient lighting brightness, then It is necessary to replace the lamps of different lengths, so that the invention is basically a method of a hot cathode fluorotube _ light method, and a method of pulse width modulation, changing the piezoelectric transformer to achieve the adjustment heat The purpose of the brightness of the cathode camp light tube. "4 machine, and then the twist of the hill,: the use of ° white vibration frequency control unit to dynamically change its use to drive piezoelectric transformers crying m rate" in short, is the distributor _ way warm piezoelectric transformers voltage two:: _ electric followed by the _ with current, followed by the extreme fluorescent ^ pipe ΓΓΓ ΓΓΓ f a purpose in providing a piezoelectric transformer output voltage can be adjusted, melon 'And it does not have a power control device that adversely affects its service life. ...electricity 5 200810608
本發明更糊-PWM控解元，將脈波寬度霞之控制方式社 逑的動態變頻控制方式，利用變頻但是振幅不變的諧振頻率調整㈣魏 器的電壓增益，及其占空比的方式，達贼變壓電賴器之輸出電壓與電 流的目的。而依據本㈣·露的紐，將不會顏 充電或是完全停止充電的操作，因此，相對於傳統的突衝模式貝 的脈，寬度調變控式而言，本發_裝置更有助於延健電變壓器的 使用=命，取代現有技術中熱陰極燈管之啟動器及穩壓器，亦毋須工作熱 度極阿之奴g，除了達觀紐管細壽命、簡麟管 更可令燈管具有快速啟動之功效。 苒午之外 有關本發_較佳實施例及詳細技躺容，驗合目式。 【實施方式】 首先，請參閱「第1圖」，為本發明的第一種較佳實施例，由圖中的電 路架構可以瞭解，應用於熱陰極螢光燈管10的調光裝置，包括有： 、、一電源供給單元20，用以提供驅動熱陰極螢光燈管1〇所需的直流帝 源(視熱陰極螢光鮮1G的規袼*定，—般為G伏餘數伏特電壓的直流電 源）， 、…-PWM控制單元3。，以脈寬調變之技術輸出一脈波執號S1，並以脈 =訊號si控制電源供給單元20輸出—含有工作週期τ〇η和丁。厅的脈寬調變 控^訊號，簡言之就是彻這個脈波訊號S1改變電源供給單元如輸出之 直流電源(DC)在〇伏特(0V)與滿幅輸出(如3.3V)的占空比，其輸出 考「第4圖」； ^ 拍振頻率控制單元40，係為一種頻率控制ic，將電源供給單元2〇 輪，之脈寬調變控制訊號調高頻交流訊號S2，而且這個‘頻率控 制單元40會在脈寬調變控制訊號的不同工作週期；和u分別產生具^ 不同頻率fl，f2的高頻交流訊號S2(其輸出波形可參考「第5圖」”用以改 變後續之壓電變壓器5㈣祕增益，簡言之就是在脈_變控制訊號的不 同工作週期丁。η和Τ0ίτ中自動改變高頻交流1代號S2的頻率fl，β ; 一壓電變壓器50，其初級電極51連接;^諧振頻率控制單元4〇輸出的 高頻交流訊號S2,將高頻交流訊號S2增益為驅動螢光燈管所需要的^輸出 6 200810608 L i二Ior而自ί級電極52輸出，此高輸出電壓 =·‘、陰極螢光燈官1G的高壓侧電極11，進而驅動熱陰極螢光 ’而取自於熱陰極螢光燈管1G之低壓側電極12的電壓訊號， =31=控解元3G，麵峨驗_S1之脈寬的方式以便對 ”、、陰極螢光燈管10的光強度進行調節。 μ 可㈣較佳貫施例’則是將取自於熱陰極螢光燈管10之低壓側 壓f號，則可回授至譜振頻率控制單元40(見「第2圖」），藉 1訊號S2在不同工作週期τ°η和T°ff中之頻率Ω，β的方式， 以便對”、、陰極螢光燈管1G的亮錢行調節。The invention is more paste-PWM control solution element, and the dynamic frequency conversion control mode of the pulse width wave control mode is adjusted by using the frequency conversion but the amplitude constant constant resonance frequency (four) the voltage gain of the Wei device and the duty ratio thereof. , the purpose of the output voltage and current of the piezoelectric transformer. According to this (4) · Lu Xin, will not charge or completely stop charging operation, therefore, compared to the traditional burst mode, the width modulation control, the hair _ device is more helpful The use of Yu Yanjian electric transformer = life, replacing the starter and voltage regulator of the hot cathode lamp in the prior art, and also does not need to work the heat of the extreme slave, in addition to the fine life of the bridge, the simple tube can make the lamp The tube has the effect of quick start. Outside the afternoon, about the present invention, the preferred embodiment and the detailed technical lying, the inspection method. [Embodiment] First, please refer to "FIG. 1", which is a first preferred embodiment of the present invention. It can be understood from the circuit architecture in the figure that the dimming device applied to the hot cathode fluorescent lamp 10 includes There is: a power supply unit 20 for providing a DC source for driving the hot cathode fluorescent lamp 1 (depending on the regulation of the hot cathode fluorescent 1G, generally the G volt residual voltage) DC power supply), ... - PWM control unit 3. The pulse width modulation technique outputs a pulse wave number S1, and controls the power supply unit 20 output with a pulse = signal si - including a duty cycle τ 〇 η and □. The pulse width modulation control signal of the hall is simply that the pulse signal S1 changes the duty of the power supply unit such as the output DC power supply (DC) in the volts (0V) and the full-scale output (such as 3.3V). Ratio, the output test "Fig. 4"; ^ beat frequency control unit 40, is a frequency control ic, the power supply unit 2 wheel, the pulse width modulation control signal to adjust the high frequency AC signal S2, and this 'The frequency control unit 40 will generate the high frequency AC signal S2 with different frequencies fl, f2 (the output waveform can refer to "5th picture") for changing the different duty cycles of the pulse width modulation control signal; Subsequent piezoelectric transformer 5 (four) secret gain, in short, automatically change the frequency fl, β of the high frequency alternating current 1 code S2 in different working cycles of the pulse-variable control signal, η and ί0ίτ; a piezoelectric transformer 50, The primary electrode 51 is connected; the high frequency alternating current signal S2 outputted by the resonant frequency control unit 4〇, the gain of the high frequency alternating current signal S2 is the required output for driving the fluorescent tube 6 200810608 L iIIor from the ф electrode 52 Output, this high output voltage = · ', cathode fluorescent The high-voltage side electrode 11 of the official 1G, which in turn drives the hot cathode fluorescent light, and the voltage signal taken from the low-voltage side electrode 12 of the hot cathode fluorescent lamp 1G, =31 = control element 3G, surface test _S1 pulse A wide mode is used to adjust the light intensity of the cathode fluorescent tube 10. μ (4) preferably the embodiment ' is the low-pressure side pressure f number taken from the hot cathode fluorescent tube 10, then It can be fed back to the spectral frequency control unit 40 (see "Fig. 2"), by means of the signal S2 in different working cycles τ ° η and T ° ff in the manner of frequency Ω, β, in order to "," Light bulb 1G's light money adjustment.
壓中:壓】^15G的電壓增益除了和其構造(如單層或是積層結構的 產Γ夂=有r輸出的龍職更可藉由改高頻錢訊心2的頻 m 口==「4第、3圖」所示），例如：當其高頻交流訊號S2的頻率為54 也、增滅轉1GG ’則表示自其次級電極S2輸出的輸出電 =級電極51之輸人賴值的⑽倍，簡言之若是輸人糕 輸出電壓將達330V ; =之，若是改變其高頻交流訊號S2的頻率為58碰之後，其增益值 」則表不自其次級電極52輸出的輸出電壓值將會是初級電極51之 别入電壓值的1G倍，簡言之若是輸人電壓為3 3V，則其輸出電壓將達顶； ϋ利耻—躲，本發明 ―1嶋牌控鮮元4G在脈寬調變控制訊 ^^工作_ ^和^分職生具有不同鮮^的高頻交流訊號 ，再利用這個高頻交流訊號S2驅動壓電變麼器5〇工作，藉由調整壓電 的輸出賴增益，進而提供—種在不改變脈寬觀控制訊號之振 ’改變龍麵㈣續_與驗，進而軸_陰極 螢先燈官10之亮度的目的。 傳統的脈波寬度調變控制方法，主要係在固定的諸振頻率之下，透過 =整脈波寬度輕喊的㈣b，驟_醉之振㈣手段控制熱陰極 金光燈官中的管電流，進而達刺整熱陰極螢光燈管之亮度的目的，這種 方法以高㈣眼能察覺的頻率(>100HZ)通過調製占空比來控制熱陰極營 燈管的平均電流’從而使熱陰極縣燈管—餘全電流下卫作。^種方式 7 200810608 ，相調光之目的，但是卻會使縣電魏It在充電或是完全不充 =形下驗彳爾鋪讎⑽崎輪不良的影 進行氕光H61」*所7域本發明之方射慎陰極#紐管10 進仃咖過㈣功波_，以錢電源的龍介於GV〜33V為例。 百先，假設熱陰極螢光燈管10在某一亮度下 -40 60〇/〇 , ^ 2 _的_町。„和_時_ W;缸作週^ .璧增益的頻率值(假設為54 kHz)(見「第5圖4具有較阿之電 壓器50的增益值若為丨〇〇,則袁_ A 圖J ) ’在此頻率fl之下壓電變 是初級電極51了其次級電極52輸出的輸出電壓值將會 為3.3V，難H；f、= 1〇0倍’簡言之在工作週期丁。η的輸入電壓 的電壓要締/、帛二 GV(熱陰極榮光燈管的卫作f壓比其他光源 但在工日=trj咖伏交流電，而且取決於燈的長度）， 動改變高財單元如係自 增益的頻率值(假設為58 °ff J、率β為具有較低之電壓 m 號的占空比的亮度時，則可透過改變脈寬調變控制訊 =(意即—===6===_占空 ，均可達__岐其咖_%=_ 了。樹其它的占空 心之次級電極52輸出的相應電壓的波形如弟「7=而此時錢電變壓 另外’依本發明所揭露的 圖J所示。 f貝率ft，β，合脈波寬度爾之手段，在不扣作中的諧 正諧振頻率fl，f2的方式，改變在^週期丁。„和T〇ff中藉由調 t,, Iout ^7i；f'f v〇ut 的效果，尤其是依據本發明的方法’ .冗度(間吕之就是調光） 頻交流訊號幻驅動壓電變壓器％，致使壓乃會有較低的高 文I仍在充電的情形下 8 200810608 運作，而不會對壓輕壓n 5〇的使轉命造成不良轉，除此之外，還且 有架構鮮，⑽調光細廣的伽，取代财技射紐極燈管之啟動 々器及穩壓器’亦毋須工作熱度極高之安定器，除了達到延長燈管使用壽命、 Ρί化燈管組成構件之外，更可令燈管具有快速啟動之功效。 雖然本發明的技術特徵已藉由上述的較佳實施例說明如上，但以上所 述僅為本發明的較佳實施例而已，並非用來限定本發明之技術内容，因此， 舉凡依本發明申請專利範圍之内容所為的等效變化與修飾，皆應為本發明 之保護範齊。 200810608 【圖式簡單說明】 ^1圖係、為本發明之第一種較佳實施例的電路架構。 f2圖係為本發明之另一種較佳實施例的電路架構。 圖係、為[電贫壓裔之電壓增益與諧振頻率的關係圖。 :二係為脈寬調變控制訊號的波形圖。 圖。圖鱗相應於第4圖中脈寬調變控制職之高頻交流減％的波形 ί 2 24/目應料5圖中高触流域S2而在壓電賴11之次級電極 ⑺屯的電壓波形圖。In the press: pressure] ^ 15G voltage gain in addition to its structure (such as single layer or laminated structure of the production of Γ夂 = have r output of the Long job can be changed by high frequency money message 2 frequency m mouth == "4, 3"), for example, when the frequency of the high-frequency AC signal S2 is 54 and the change of 1GG', the output from the secondary electrode S2 is output. The value is (10) times. In short, if the output voltage of the input cake will reach 330V; if the frequency of the high-frequency alternating current signal S2 is changed to 58, the gain value will not be output from the secondary electrode 52. The output voltage value will be 1G times the input voltage value of the primary electrode 51. In short, if the input voltage is 3 3V, the output voltage will reach the top; ϋ利耻-hiding, the present invention - 1 嶋 brand control Fresh element 4G in the pulse width modulation control ^^ work _ ^ and ^ separate students have different fresh high frequency AC signal, and then use this high frequency AC signal S2 to drive the piezoelectric device 5 〇 work, by Adjust the piezoelectric output gain, and then provide a kind of vibration that does not change the pulse width control signal. 'Change the dragon face (4) Continued _ and test, and then the axis _ Yin The purpose of the brightness of the first 10 lights. The traditional pulse width modulation control method is mainly used to control the tube current in the hot cathode golden light lamp by means of the fixed vibration frequency, the sound of the whole pulse width (4) b, and the vibration of the hot cathode (4). In turn, the purpose of the brightness of the hot cathode fluorescent lamp is punctured. This method controls the average current of the hot cathode camp lamp by modulating the duty ratio at a high (four) eye-detectable frequency (>100HZ). Cathode County tube - the full current is laid. ^ Kind of way 7 200810608, the purpose of dimming, but it will make the county electric Wei It in charge or not completely charge the shape of the 彳 雠 雠 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 H H H The invention of the square shot Shen cathode #纽管10 enters the 仃 仃 over (four) work wave _, taking the money power of the dragon between GV ~ 33V as an example. Hundreds of first, assuming that the hot cathode fluorescent lamp 10 is at -40 60 〇 / 〇, ^ 2 _ _ cho. „和_时_W; The cylinder is the frequency of the ^ gain (assumed to be 54 kHz) (see “Figure 5, Figure 4, if the gain value of the voltage device 50 is 丨〇〇, then Yuan _ A Fig. J) 'The piezoelectric change at this frequency fl is the output voltage of the primary electrode 51 whose secondary electrode 52 outputs will be 3.3V, which is difficult to H; f, = 1〇0 times' in short, in the duty cycle D. The voltage of the input voltage of η is to be / / 帛 two GV (the hot cathode glory of the guardian f pressure than other light sources but in the day = trj ca volt AC, and depends on the length of the lamp), the change is high If the financial unit is a self-gain frequency value (assuming a temperature of 58 ° ff J and a rate β is the duty of the lower voltage m-number, then the pulse width modulation control can be changed = (meaning - ===6===_Occupancy, can reach __岐其咖_%=_. The waveform of the corresponding voltage output by the other hollow secondary electrode 52 of the tree is like "7 = while this money The electric transformer is additionally shown in Figure J according to the present invention. The f-beat rate ft, β, and the width of the pulse width are changed in the way of the harmonic resonance frequency fl, f2 in the non-deduction. Cycle D. and T〇f In the case of f, by t, Iout ^7i; f'f v〇ut, especially in accordance with the method of the invention'. The redundancy (the dimming is the dimming) frequency AC signal magic drive piezoelectric transformer%, As a result, there will be a lower level of high-altitude I still charging, 8 200810608 operation, and will not cause a bad turn when the pressure is n 5 ,, in addition, there is a framework, (10) The dimming and wide-ranging gamma replaces the starter and regulator of the financial technology to shoot the neon tube. It also does not need to operate the ballast with extremely high heat, in addition to prolonging the service life of the lamp and constituting the components of the lamp. In addition, the lamp tube has the function of quick start. Although the technical features of the present invention have been described above by the above preferred embodiments, the above description is only a preferred embodiment of the present invention, and is not intended to be limiting. The technical content of the present invention, therefore, the equivalent changes and modifications of the content of the patent application of the present invention should be the protection of the present invention. 200810608 [Simple description of the figure] ^1 diagram is the invention The circuit architecture of the first preferred embodiment. f2 It is a circuit architecture of another preferred embodiment of the present invention. The diagram is a graph of the relationship between the voltage gain and the resonant frequency of the electric poor compactor. The second is the waveform diagram of the pulse width modulation control signal. The scale corresponds to the waveform of the high-frequency AC minus % of the pulse width modulation control in Fig. 4. The voltage waveform of the secondary electrode (7) in the piezoelectric layer 11 in the high-touch region S2 in the figure 5 Figure.
=變峨議綱，箱㈣脈寬調變控制 第8 口 極輪^的7圖中脈寬機控舰號而在轉懸器之次級電 【主要元件符號說明】 •····熱陰極螢光燈管 •熱陰極螢光燈管的高壓電極 ••熱陰極螢光燈管之低壓側電極 •···電源供給單元 • · · · .PWM控制單元 •····諧振頻率控制單元 •····壓電變壓器 •····初級電極 •····次級電極 •····脈波訊號 10 · 11 · 12 · 20 · 3〇 · 40 · 50 · 51 · 52 · 51 · 52 ·= change argument, box (four) pulse width modulation control 8th pole wheel ^ 7 picture pulse width machine control ship number and the sub-electricity of the suspension device [main component symbol description] •····Heat Cathode fluorescent tube • High-voltage electrode for hot cathode fluorescent tube • Low-voltage side electrode of hot cathode fluorescent tube •···Power supply unit • · · · ·PWM control unit•····Resonant frequency control Unit•····Piezoelectric transformer•····Primary electrode•····Secondary electrode•···· Pulse signal 10 · 11 · 12 · 20 · 3〇· 40 · 50 · 51 · 52 · 51 · 52 ·
•高頻交流訊號 •工作週期 •工作週期 ••脈寬調變控制訊號 N頻父流訊號在工作週期τ。。的頻率 200810608 % f2 ......高頻交流訊號在工作週期TQff的頻率 ^ Vout.......壓電變壓器的輸出電壓 out .......壓電變壓器的輸出電流• High frequency AC signal • Work cycle • Work cycle • Pulse width modulation control signal The N frequency parental signal is in the duty cycle τ. . Frequency 200810608 % f2 ...... Frequency of high frequency AC signal at duty cycle TQff ^ Vout....... Piezoelectric transformer output voltage out ....... Piezoelectric transformer output current