JPH0337797U - - Google Patents
Info
- Publication number
- JPH0337797U JPH0337797U JP1989098857U JP9885789U JPH0337797U JP H0337797 U JPH0337797 U JP H0337797U JP 1989098857 U JP1989098857 U JP 1989098857U JP 9885789 U JP9885789 U JP 9885789U JP H0337797 U JPH0337797 U JP H0337797U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- lamp
- series
- output
- switching elements
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
- 230000010355 oscillation Effects 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 230000010356 wave oscillation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Rectifiers (AREA)
Description
第１図および第３図はこの考案の一実施例を示
すインバータの回路図、第２図は第１図に示すイ
ンバータのＤＣ−ＡＣ変換回路Ｖ２点の電流波形
を示すグラフ、第４図は従来のインバータの出力
回路を示す回路図、第５図は第４図に示す出力回
路のＡ点の電流波形を示すグラフ、第６図は従来
のインバータの回路図、第７図は第６図に示すイ
ンバータのトランジスタに入力する矩形波を示す
グラフである。
１……ＤＣ−ＤＣ昇圧回路、２……ＤＣ−ＡＣ
変換回路、３……発振回路、４……出力回路。
1 and 3 are circuit diagrams of an inverter showing an embodiment of this invention, FIG. 2 is a graph showing current waveforms at two points of the DC-AC conversion circuit V of the inverter shown in FIG. 1, and FIG. 4 is a graph showing current waveforms at two points. is a circuit diagram showing the output circuit of a conventional inverter, FIG. 5 is a graph showing the current waveform at point A of the output circuit shown in FIG. 4, FIG. 6 is a circuit diagram of a conventional inverter, and FIG. It is a graph which shows the rectangular wave input into the transistor of the inverter shown in a figure. 1...DC-DC booster circuit, 2...DC-AC
Conversion circuit, 3... oscillation circuit, 4... output circuit.
Claims (1)
タ。 (a) 入力電圧をＥＬランプ点灯可能電圧に昇圧
して直流に変換するＤＣ−ＤＣ昇圧回路と、ＤＣ
−ＤＣ昇圧回路の出力を交流に変換するＤＣ−Ａ
Ｃ変換回路を備えている。 (b) ＤＣ−ＡＣ変換回路はＥＬランプ点灯用発
振回路と、このＥＬランプ点灯用発振回路の出力
を電力増幅する出力回路とを備えている。 (c) ＥＬランプ点灯用発振回路は矩形波の発振
回路であり、発振周波数は４００〜５０００Ｈｚ
の範囲に特定される。 (d) 出力回路はオン、オフ動作する一対のスイ
ツチング素子を備えている。 (e) スイツチング素子はダイオードを介して互
いに直列に接続されている。 (f) 直列に接続された一対のスイツチング素子
には、同位相の矩形波が入力され、同位相の矩形
波で交互にオン、オフ制御される。 (g) 出力回路の出力側には、リアクトルとＥＬ
ランプの直列共振回路を負荷として接続している
。 (h) リアクトルとＥＬランプとの直列共振回路
は、ダイオードを介して直列に接続されたスイツ
チング素子の中点に接続されている。 (i) スイツチング素子に直列に接続されたダイ
オードは、スイツチング素子に対して順方向に接
続されている。[Claims for Utility Model Registration] An inverter for lighting an EL lamp having the following configuration. (a) A DC-DC booster circuit that boosts the input voltage to a voltage that can light the EL lamp and converts it to direct current;
-DC-A that converts the output of the DC booster circuit into alternating current
Equipped with a C conversion circuit. (b) The DC-AC conversion circuit includes an EL lamp lighting oscillation circuit and an output circuit for power amplifying the output of the EL lamp lighting oscillation circuit. (c) The EL lamp lighting oscillation circuit is a square wave oscillation circuit, and the oscillation frequency is 400 to 5000Hz.
specified within the range. (d) The output circuit includes a pair of switching elements that operate on and off. (e) Switching elements are connected in series with each other via diodes. (f) Rectangular waves of the same phase are input to a pair of switching elements connected in series, and the switching elements are controlled to be turned on and off alternately by the rectangular waves of the same phase. (g) A reactor and an EL are installed on the output side of the output circuit.
The series resonant circuit of the lamp is connected as a load. (h) A series resonant circuit of the reactor and the EL lamp is connected to the midpoint of the switching elements connected in series via a diode. (i) The diode connected in series with the switching element is connected in the forward direction with respect to the switching element.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989098857U JPH066478Y2 (en) | 1989-08-23 | 1989-08-23 | Inverter for lighting EL lamp |
| US07/444,956 US4982314A (en) | 1988-12-09 | 1989-12-04 | Power source circuit apparatus for electro-luminescence device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989098857U JPH066478Y2 (en) | 1989-08-23 | 1989-08-23 | Inverter for lighting EL lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0337797U true JPH0337797U (en) | 1991-04-11 |
| JPH066478Y2 JPH066478Y2 (en) | 1994-02-16 |
Family
ID=31647936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989098857U Expired - Lifetime JPH066478Y2 (en) | 1988-12-09 | 1989-08-23 | Inverter for lighting EL lamp |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH066478Y2 (en) |
-
1989
- 1989-08-23 JP JP1989098857U patent/JPH066478Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH066478Y2 (en) | 1994-02-16 |
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