TW200931799A - High-voltage lamp-lighting-up piezoelectric oscillator - Google Patents

High-voltage lamp-lighting-up piezoelectric oscillator Download PDF

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Publication number
TW200931799A
TW200931799A TW097100566A TW97100566A TW200931799A TW 200931799 A TW200931799 A TW 200931799A TW 097100566 A TW097100566 A TW 097100566A TW 97100566 A TW97100566 A TW 97100566A TW 200931799 A TW200931799 A TW 200931799A
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Taiwan
Prior art keywords
piezoelectric
capacitor
lighting
voltage
circuit
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Application number
TW097100566A
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English (en)
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TWI338447B (zh
Inventor
Tao-Chin Wei
Ming-Shing Chou
Hsi-Chen Chang
Original Assignee
Midas Wei Trading Co Ltd
Champion Elite Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Midas Wei Trading Co Ltd, Champion Elite Co Ltd filed Critical Midas Wei Trading Co Ltd
Priority to TW097100566A priority Critical patent/TW200931799A/zh
Priority to US12/025,852 priority patent/US7683554B2/en
Priority to JP2008034340A priority patent/JP5096957B2/ja
Priority to KR1020080018737A priority patent/KR101010087B1/ko
Priority to FR0851679A priority patent/FR2926184B1/fr
Priority to GB0804950.4A priority patent/GB2456186B/en
Priority to US12/255,364 priority patent/US7902763B2/en
Priority to JP2008311098A priority patent/JP5187962B2/ja
Priority to CA2653481A priority patent/CA2653481C/en
Priority to PT81723587T priority patent/PT2077699T/pt
Priority to LTEP08172358.7T priority patent/LT2077699T/lt
Priority to HUE08172358A priority patent/HUE032338T2/en
Priority to EP08172358.7A priority patent/EP2077699B1/en
Priority to PL08172358T priority patent/PL2077699T3/pl
Priority to ES08172358.7T priority patent/ES2608859T3/es
Priority to BRPI0805760-5A priority patent/BRPI0805760A2/pt
Publication of TW200931799A publication Critical patent/TW200931799A/zh
Application granted granted Critical
Publication of TWI338447B publication Critical patent/TWI338447B/zh
Priority to HRP20161673TT priority patent/HRP20161673T1/hr

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Classifications

    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/02Details
    • H05B41/04Starting switches
    • H05B41/042Starting switches using semiconductor devices
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14Circuit arrangements
    • H05B41/24Circuit arrangements in which the lamp is fed by high frequency AC, or with separate oscillator frequency
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02MAPPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00Conversion of DC power input into DC power output
    • H02M3/22Conversion of DC power input into DC power output with intermediate conversion into AC
    • H02M3/24Conversion of DC power input into DC power output with intermediate conversion into AC by static converters
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/02Details
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14Circuit arrangements
    • H05B41/26Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC
    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05BELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B41/00Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14Circuit arrangements
    • H05B41/26Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC
    • H05B41/28Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters
    • H05B41/288Circuit arrangements in which the lamp is fed by power derived from DC by means of a converter, e.g. by high-voltage DC using static converters with semiconductor devices and specially adapted for lamps without preheating electrodes, e.g. for high-intensity discharge lamps, high-pressure mercury or sodium lamps or low-pressure sodium lamps
    • H05B41/2881Load circuits; Control thereof
    • HELECTRICITY
    • H10SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10NELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
    • H10N30/00Piezoelectric or electrostrictive devices
    • H10N30/80Constructional details
    • H10N30/802Circuitry or processes for operating piezoelectric or electrostrictive devices not otherwise provided for, e.g. drive circuits
    • H10N30/804Circuitry or processes for operating piezoelectric or electrostrictive devices not otherwise provided for, e.g. drive circuits for piezoelectric transformers
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B20/00Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Description

200931799 九、發明說明: 【發明所屬之技術領域】 本發明係有關於南壓點燈,特別是指一種用於高壓點燈之壓電振 盪器。 【先前技術】 冷陰極燈官(Cold Cathode Fluorescent Lamp ; CCFL)發光原 理與一般日光燈相似,其發光原理為,當高壓電由電極端輸入後,管 内少數電子分子高速撞擊電極,此時產生二次電子發射,開始放電時, © 電子與水銀原子發生碰撞,水銀原子受激發輻射出253.7nm之紫外 光,紫外光激發塗佈於管壁上之螢光粉而產生相對色溫之可見光。一 般除可應用於顯示器、個人數位助理、數位相機及手機等,更是液晶 顯不器不可或缺的背光材料之一。由於冷陰極螢光燈不採用燈絲故 無燈絲燒斷的問題,因此有非常可靠的使用壽命,應用此種燈管作為 照明光源,具有高發光效率、管徑小、高輝度、熱量少、壽命長等 點。 為達到體積小及良好電氣效能的要求,冷陰極燈管之點燈電路採 用壓電變壓器(P丨ezoelectric transformer)代替線圈型升壓變壓器。 似由於壓電變麗器具有體積小、高電壓增益、高效率、絕緣良好及無電 磁干擾等優越電氣特性。因此,一般通常將壓電變壓器應用於高發光 效率照明系統的點燈電路,可達到短小輕薄及優越的電氣效能。 :,而,為了使壓電變壓器提供更大的輸出功率,除了加大尺寸外, 最簡單的方式乃是將其銀電極面之面積增大,然而銀電極面面積變 大’會有降低升壓比的效果,使得原先預期提高輸出功率的效果不彰。 加大尺寸除了增加成本之外,也與希望輕薄短小的要求相違背。 【發明内容】 鑒於以上的問題,本發明的主要目的在於提供一種用於高壓點燈 壓電振i器,利用結構簡单的壓電電容器配合LC讀振電路,來達 200931799 到大功率輸出,從而可以離耗電與生縣本,極具有市職爭優勢β 本發明的另—目的在於提供—種驗高壓點燈之壓電振堡器,係 f由壓電電容器在LC雜電路下的壓電效應,於負載_時會發揮 自動保護機制,避免造成故障及過熱的危險。 Ο Ο ,此’為達上述目的’本發明所揭露之用於高壓點燈之壓電振盈 °將原朗於超音波震龍的大功率壓電震Μ轉而制在高壓 =燈t安定器及換流器中作為壓電電容器,此壓電電容器能夠在通電 形時產生ie壓電效應’變形後產生正壓電效應,如此會有正電荷產 -有放大電壓的效果’而達到大功率輸$,改變了傳統壓電變壓 器只提供高龍、小電流及功率輸出受限的缺點。 ^本發簡壓電電容器與LC _電路搭配,# LC諧振電路譜振 ,b發揮最佳輸出效能,並當負載過載時,壓電電容器的溫度會上 ^值變大,使得LC諧振電路無法產生諧振,輸出效能變小, 而具有自動保護功能。 一另外,本發明將壓電電容器可與LC諧振電路搭配外,更可選配 於值與壓電電容器相當之辅助電容器作匹配,在LC鎌電路 於祕時,使壓電效果提昇,達到輸出功率最佳化。 式詳==明的目的、特徵及其功能有進-步的了解,兹配合圖 【實施方式】 壓電f ’雜示本發明之實施例所提供之將高壓點燈之 1§的〜圖’主要包含互相並聯的電容器1G、Lc諧振電路 以及辅助電容器30。壓電振盪騎使㈣電容^ 1Q為—壓電電容 诵雷1以儲存電紐具有㈣槪,可闕整神因素猶功率輸出, 梯厭费形時會產生逆壓電效應,變賴會產生正壓電效應,而盆正、 效果生成正電荷’使電壓放大,而具有放大電壓的 達〗大功率輸出,且本實施例將壓電電容器1〇搭配用以產生 200931799 3之LC諧振電路2G,當LC譜振電路2Q諧振時,能產生最佳輸出 j於壓電電容㈣之電容值主要會受溫 壓會改變,本實施例係選配辅助電容器3= 田配,輔助電容器30的電容值與變壓電容器10之電 辅助充電,使壓電效應達到輸出功率最佳化。當點燈 時電壓會_昇局,點燈完電容值則會作出適當的匹配,所 跟著壓電效應進行調整,能減少额外的電力消耗。 ❹ Ο 減圖:斤示’本實施例之麼電電容器10是以壓電材質製作-圓 板基材11,再以轉、銅膏製作同樣為圓形的導電層12、13 ^圓板基材11的整個或部分的上表面與下表面,以構成壓電電容器 ^之兩極,並於導電層12、13外側分別焊接設置有電極接腳121、 ’以連接LC諧振電路2G。本實施例巾係朗—麵電電容器1〇, 可以輸出高達70瓦的功率,只需要搭配半橋雜電路,可減少生 本丄極具有價概爭的優m若搭配全觸振電料可以推動 更高功率之輸Λ。再者,此壓電電締10若搭S& L阻抗型之LC諧振 電路乃具有自動保護功能,可以於負載過載時因電容值變大而改變譜 振輸出’輸出功率降低,而使溫度下降;由於壓電電容器具有麼電 特性,一旦貞載顿時其溫度上升、電容錢大麟譜振電 路内部的電容值輕’而無法產生諧振,輸纽紐小,燈也隨之暗 了下來,如此可避免造成故障及過熱的危險。 θ 此外,如第3圖所示,本發明之另一實施例係使用透過一引線5〇 作上下連接的兩顆壓電電容器10、4〇 ,實務上壓電電容器可以為串聯 或並聯,其分別具有一組圓板基材11及對應的二導電層12、13 (壓 ,電容器10、40結構相同,故僅以壓電電容器10為代表)。由於電 容,提高,電感值增加,共振後所產生的功率也會跟著變大可以輸 出尚達100瓦的功率,而溫度則可以維持於3〇«»c左右。這也表示本實 200931799 施例之壓電電容器較之傳統壓電變壓器係可提供倍數增加的輪出 率,且沒有過熱的問題。 雖然本發明以前述之實施例揭露如上,然其並非用以限定 明。在不麟本發明之精神和範關’所為之更動與獅 明之專利保護制。關於本發明所界定之倾細請參考所附之申靖 【圖式簡單說明】 第1圖係本發明實施例所提供之用於高壓點燈之麽電振 第2圖係本發明實施例所提供之壓電電容^的示意圖;及、不〜、 第3圖係本發明另-實施例所提供之壓電電容器的示意圖。 【主要元件符號說明】 10壓電電容器 11圓板基材 12導電層 121電極接腳 13導電層 131電極接腳 20 LC諧振電路 30輔助電容器 40壓電電容器 50引線 圖 ❹

Claims (1)

  1. 200931799 十、申請專利範固·· 包含一電容器與一 LC諧振電 1· 一種用於高壓點燈之壓電振盪器 路’其特徵在於: 聯,該壓電電 該電容器係為—壓電電容器,並與該LC諸振電路並 容器包含有: 及 ’而構成該壓 一圓板基材,係為壓電材質,具有上表面與下表面; 二導電層,分別形成於該圓板基材之上表面與下表面 電電容器之兩極。 ❹2· ”請,範圍第】項所述之用於高壓點燈之壓電顧器更包含 -輔助電容^,並聯於雌€電容H與該⑴諧振電路之門。 3·如申請專利範圍第2項所述之用於高壓點燈之壓電振盈器其中該 辅助電容器之電容值係與該壓電電容器之電容值相當。、 4·如申請專利範圍第1項所述之用於高壓‘點燈之壓電振盈器,其中該 LC諧振電路係由半橋諧振電路或全橋諧振電路所構成。
TW097100566A 2008-01-07 2008-01-07 High-voltage lamp-lighting-up piezoelectric oscillator TW200931799A (en)

Priority Applications (17)

Application Number Priority Date Filing Date Title
TW097100566A TW200931799A (en) 2008-01-07 2008-01-07 High-voltage lamp-lighting-up piezoelectric oscillator
US12/025,852 US7683554B2 (en) 2008-01-07 2008-02-05 High-voltage lamp-ignition piezoelectric oscillator
JP2008034340A JP5096957B2 (ja) 2008-01-07 2008-02-15 高圧点灯の圧電発振器
KR1020080018737A KR101010087B1 (ko) 2008-01-07 2008-02-29 고압 램프 점화 압전 오실레이터
FR0851679A FR2926184B1 (fr) 2008-01-07 2008-03-14 Oscillateur piezo-electrique d'allumage de lampe haute tension
GB0804950.4A GB2456186B (en) 2008-01-07 2008-03-17 High-voltage lamp-ignition piezoelectric oscillator
US12/255,364 US7902763B2 (en) 2008-01-07 2008-10-21 Piezoelectric cascade resonant lamp-ignition circuit
JP2008311098A JP5187962B2 (ja) 2008-01-07 2008-12-05 圧電式直列共振点灯回路
CA2653481A CA2653481C (en) 2008-01-07 2008-12-12 Piezoelectric resonant lamp-ignition circuit
PT81723587T PT2077699T (pt) 2008-01-07 2008-12-19 Circuito de ignição de lâmpada ressonante piezoeléctrico
LTEP08172358.7T LT2077699T (lt) 2008-01-07 2008-12-19 Pjezoelektrinė rezonansinė lempos uždegimo grandinė
HUE08172358A HUE032338T2 (en) 2008-01-07 2008-12-19 Piezoelectric resonant lamp lighter circuit
EP08172358.7A EP2077699B1 (en) 2008-01-07 2008-12-19 Piezoelectric resonant lamp-ignition circuit
PL08172358T PL2077699T3 (pl) 2008-01-07 2008-12-19 Rezonansowy piezoelektryczny obwód zapłonowy lampy
ES08172358.7T ES2608859T3 (es) 2008-01-07 2008-12-19 Lámpara de encendido de resonancia piezoeléctrica
BRPI0805760-5A BRPI0805760A2 (pt) 2008-01-07 2008-12-30 circuito de ignição de lámpada ressonante piezelétrico
HRP20161673TT HRP20161673T1 (hr) 2008-01-07 2016-12-08 Piezoelektrični rezonantni krug za paljenje svjetiljke

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW097100566A TW200931799A (en) 2008-01-07 2008-01-07 High-voltage lamp-lighting-up piezoelectric oscillator

Publications (2)

Publication Number Publication Date
TW200931799A true TW200931799A (en) 2009-07-16
TWI338447B TWI338447B (zh) 2011-03-01

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US (1) US7683554B2 (zh)
JP (1) JP5096957B2 (zh)
KR (1) KR101010087B1 (zh)
FR (1) FR2926184B1 (zh)
GB (1) GB2456186B (zh)
TW (1) TW200931799A (zh)

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RU2706823C1 (ru) * 2019-03-25 2019-11-21 Владимир Борисович Комиссаренко Устройство для возбуждения пьезоэлектрических акустических преобразователей

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US20090174335A1 (en) 2009-07-09
GB0804950D0 (en) 2008-04-16
US7683554B2 (en) 2010-03-23
GB2456186B (en) 2012-01-18
JP2009164092A (ja) 2009-07-23
FR2926184B1 (fr) 2012-10-12
FR2926184A1 (fr) 2009-07-10
KR20090076740A (ko) 2009-07-13
JP5096957B2 (ja) 2012-12-12
GB2456186A (en) 2009-07-08
TWI338447B (zh) 2011-03-01

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