JPH03272598A - Electric power unit - Google Patents
Electric power unitInfo
- Publication number
- JPH03272598A JPH03272598A JP2072502A JP7250290A JPH03272598A JP H03272598 A JPH03272598 A JP H03272598A JP 2072502 A JP2072502 A JP 2072502A JP 7250290 A JP7250290 A JP 7250290A JP H03272598 A JPH03272598 A JP H03272598A
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- lighting
- fluorescent
- discharge lamp
- lamp
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 230000010355 oscillation Effects 0.000 abstract description 3
- 239000007858 starting material Substances 0.000 abstract 2
- 238000010586 diagram Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004397 blinking Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
- Inverter Devices (AREA)
Abstract
Description
【発明の詳細な説明】
（イ）産業上の利用分野
本発明は螢光放電灯に高周波電源を供給する電源装置に
関するものである。DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application The present invention relates to a power supply device that supplies high frequency power to a fluorescent discharge lamp.
（ロ）従来の技術
従来、螢光灯装置において、螢光放電灯はチョークコイ
ルを安定器として用い、商用電源から電源を供給して商
用周波数（５０Ｈｚ／６０ Ｈｚ）で点灯している。(B) Prior Art Conventionally, in a fluorescent lamp device, a fluorescent discharge lamp uses a choke coil as a ballast, is supplied with power from a commercial power source, and is lit at a commercial frequency (50 Hz/60 Hz).
第３図にチョークコイル安定器を用いた螢光放電灯点灯
回路を示す。第４図はこの点灯回路を備える螢光灯装置
の外観斜視図である。Figure 3 shows a fluorescent discharge lamp lighting circuit using a choke coil ballast. FIG. 4 is an external perspective view of a fluorescent lamp device equipped with this lighting circuit.
図において、（１）は螢光放電灯、（２）はチョークコ
イル、（３）はソケット（６）に取付けられた点灯管、
（４）は商用電源である。In the figure, (1) is a fluorescent discharge lamp, (2) is a choke coil, (3) is a lighting tube attached to a socket (6),
(4) is a commercial power source.
この回路の動作について説明する。The operation of this circuit will be explained.
商用電源（４）が接続されると、点灯管（３）の電極（
３ａＸ３ｂ）間で放電がおこり、放電による発熱によっ
てバイメタルよりなる可動電極（３ａ〉が変形し、やが
て固定電極（３ｂ）に接触する。すると、回路が閉成さ
れ、螢光放電灯（１）のフィラメント（１ａ）（ｌｂ）
に電流が流れフィラメン） （ｌａ）（ｌｂ）が予熱さ
れる。そして、点灯管（３）の放電が停止するので、可
動電極（３ａ）は冷却されて固定１を極（３ｂ）より離
れる。この瞬間にチョークコイル（２）からいわゆるキ
ック電圧が発生してこの電圧が螢光放電灯（１）のフィ
ラメン） （ｌａ）（ｌｂ）間に加わり螢光放電灯（１
）が点灯する。以後、螢光放電灯（１）は交流点灯する
ので、各サイクル毎に点灯、消灯を繰り返す。When the commercial power source (4) is connected, the electrode (
3a x 3b), and the movable electrode (3a) made of bimetal is deformed by the heat generated by the discharge and eventually comes into contact with the fixed electrode (3b).Then, the circuit is closed and the fluorescent discharge lamp (1) Filament (1a) (lb)
A current flows through the filaments (la) and (lb) to preheat them. Then, since the discharge of the lighting tube (3) is stopped, the movable electrode (3a) is cooled and leaves the fixed 1 from the pole (3b). At this moment, a so-called kick voltage is generated from the choke coil (2), and this voltage is applied between the filaments (la) and (lb) of the fluorescent lamp (1).
) lights up. Thereafter, since the fluorescent discharge lamp (1) is lit with alternating current, it is repeatedly turned on and off in each cycle.
商用電源の低い周波数（５０）１ｚ／６０ Ｈｚ）で点
灯した場合、消灯時には螢光放電灯（１）内の電子密度
が低下するので、次のサイクルの点灯時（再点弧）には
放電するのに十分な電圧（再点弧電圧）が必要となり、
再点弧の際にフィラメント（１ａ）（ｌｂ）が損傷する
。When the fluorescent discharge lamp (1) is lit at a low frequency (50) 1z/60 Hz) of commercial power supply, the electron density in the fluorescent discharge lamp (1) decreases when the lamp is turned off, so the discharge will be interrupted at the next lighting cycle (re-ignition). Sufficient voltage (re-ignition voltage) is required to
The filament (1a) (lb) is damaged during restriking.
また、点滅周期が長いため螢光放電灯（１）の発光効率
が悪く、光出力のちらつきが起こるという問題があった
。また、第３図の回路では調光等の制御機能を付加する
ことは困難であった。Further, due to the long blinking period, the luminous efficiency of the fluorescent discharge lamp (1) is poor, and there is a problem in that the light output flickers. Furthermore, it is difficult to add control functions such as dimming to the circuit shown in FIG.
（ハ）発明が解決しようとする課題
上述の如き欠点を解消した螢光灯装置として、螢光放電
灯に高周波電源を供給して点灯させるいわゆる共振型イ
ンバータ式螢光灯装置が知られている（例えば特開昭６
０−１８９８９７ ［ＨＯ５Ｂ４１．／２４１参照）。(c) Problems to be Solved by the Invention A so-called resonant inverter type fluorescent lamp device, which lights a fluorescent discharge lamp by supplying high-frequency power to it, is known as a fluorescent lamp device that eliminates the above-mentioned drawbacks. (For example, JP-A No. 6
0-189897 [HO5B41. /241).
この種装置においてはインバータ回路を備えた高周波点
灯装置を内蔵ヒている。This type of device has a built-in high frequency lighting device equipped with an inverter circuit.
本発明は、商用電源の周波数で点灯されるようになされ
た螢光灯装置に接続して高周波点灯させるための電源装
置を提供することを目的とするものである。SUMMARY OF THE INVENTION An object of the present invention is to provide a power supply device for high-frequency lighting by connecting to a fluorescent lamp device designed to be lit at the frequency of a commercial power source.
に）課題を解決するための手段
本発明の電源装置は商用電源の周波数で点灯される螢光
放電灯と該螢光放電灯の点灯始動用の点灯管とを備える
螢光灯装置の前記点灯管取付用のソケットに接続され該
ソケットがら高周波電源を供給して前記螢光放電灯を高
周波点灯することを特徴とするものである。(b) Means for Solving the Problems The power supply device of the present invention is a fluorescent lamp device comprising a fluorescent discharge lamp that is lit at the frequency of a commercial power supply and a lighting tube for starting the lighting of the fluorescent discharge lamp. It is characterized in that it is connected to a socket for mounting a lighting tube, and a high frequency power is supplied from the socket to light the fluorescent discharge lamp at high frequency.
（ホ）作 用
本発明によると、商用電源の周波数で点灯される螢光灯
装置は、点灯管取付用のソケットを介して高周波電源が
供給されることにより螢光放電灯が高周波で点灯される
。(E) Function According to the present invention, in a fluorescent lamp device that is lit at the frequency of a commercial power source, a fluorescent discharge lamp is lit at a high frequency by supplying high frequency power through a socket for attaching a lighting tube. be done.
（へ）実施例 以下、本発明の一実施例を図面に基づき説明する。(f) Example Hereinafter, one embodiment of the present invention will be described based on the drawings.
第１図は本発明の電源装置を商用電源の同波数で点灯す
る螢光灯装置に接続した状態を示す図である。FIG. 1 is a diagram showing a state in which the power supply device of the present invention is connected to a fluorescent lamp device that lights up at the same wave number of a commercial power source.
第１図において、（５）は商用電源の周波数で点灯され
る螢光灯装置であり、螢光放電灯（１）、点灯管取付用
のソケット（６）および電源コード（７）を備えている
。電源フード（７）先端には商用電源コンセント（図示
せず）への差込用のプラグ（８）が設けられている。In Fig. 1, (5) is a fluorescent lamp device that is lit at the frequency of a commercial power supply, and is equipped with a fluorescent discharge lamp (1), a socket for attaching a lighting tube (6), and a power cord (7). ing. A plug (8) for insertion into a commercial power outlet (not shown) is provided at the tip of the power supply hood (7).
（９）は電源装置である。（１０）は螢光灯装置（５）
のソケット（６）に接続される接続コード、（１１）は
点灯管、（１２）は商用電源に接続される電源コード、
（１３）は螢光灯装Ｎ（５）のプラグ（８）が接続され
るコンセントである。(9) is a power supply device. (10) is a fluorescent lamp device (5)
(11) is a lighting tube, (12) is a power cord connected to a commercial power source,
(13) is an outlet to which the plug (8) of the fluorescent lighting device N (5) is connected.
第２図は、第１図の接続状態における回路図である。FIG. 2 is a circuit diagram in the connection state shown in FIG. 1.
（５）は螢光灯装置であり、螢光放電灯（１）、チョー
クコイル（２）を備える。（ｂ ）（ｂ ’）は電源プ
ラグ（８）の接続点、（ｃ ）（ｃ ’）は点灯管取付
用のソケット（６）の接続点である。(5) is a fluorescent lamp device, which includes a fluorescent discharge lamp (1) and a choke coil (2). (b) and (b') are the connection points of the power plug (8), and (c) and (c') are the connection points of the socket (6) for attaching the lighting tube.
（９）は電源装置であり、インバータ回路（１４）、絶
縁トランス（１５）及び電流制限チョークコイル（１６
）からなる高周波電源（１７）と、点灯管（１１）より
なる点灯始動手段（１８）と、リレー（１９）（２０＞
（２１）よりなる切換手段と、螢光放電灯（１）の点灯
を検出してリレー（１９）（２０）（２１）を切換制御
する点灯検知手段（２２）とを備える。(9) is a power supply device including an inverter circuit (14), an isolation transformer (15) and a current limiting choke coil (16).
), a lighting starting means (18) consisting of a lighting tube (11), and relays (19) (20>
(21), and lighting detection means (22) for detecting lighting of the fluorescent discharge lamp (1) and controlling switching of the relays (19), (20), and (21).
次にこの回路の動作について説明する。Next, the operation of this circuit will be explained.
ル−（１９）（２０）（２１）は商用電源（４）が接続
されない状態では接点Ａ側に接続されており、商用電源
（４）が接続されるとりｌ／ −（１９）（２０）（２
１）接点Ａを介して、第３図に示す回路と同様の回路が
形成される。すると、点灯管（１１）’）電極（ｌｌａ
）（ｌｌｂ）が接触して螢光放電灯（１ンのフィラメン
ト（ｌａ）（ｌｂ）が予熱され、その後点灯管（１１）
のｔ極（ｌｌａ）（Ｉｌｂ）が離れて螢光放電灯（１）
が点灯する。(19), (20), and (21) are connected to the contact A side when the commercial power source (4) is not connected, and when the commercial power source (4) is connected, l/-(19) (20) (2
1) Via contact A, a circuit similar to the circuit shown in FIG. 3 is formed. Then, the lighting tube (11)') electrode (lla
) (llb) is in contact to preheat the fluorescent discharge lamp (1 n filament (la) (lb), and then the lighting tube (11)
The t-poles (lla) (Ilb) of the fluorescent discharge lamp (1) are separated.
lights up.
螢光放電灯（１）が点灯すると、点灯検知手段（２２）
により検出され、リレー（１９）（２０）（２１ンが接
点Ａ側から接点Ｂ側に切換えられる。そして、インバー
タ回路（１４）に商用電源（４）より電源が供給され、
以てインバータ回路（１４）から高周波発振電圧が出力
され、絶縁トランス（１５）、電流制限チョークコイル
（１６）及びリレー（２１）を介して螢光放電灯（１）
に高周波電圧が印加され螢光放電灯（１）は高周波点灯
を行う。このとき、商用電源（４）の周波数でのフィラ
メン） （ｌａ）（ｌｂ）の予熱及び点灯始動のための
点灯管（１１）及びチョークコイル（２）は、ル−（１
９）（２０）（２１）の接点Ａが開放のため、高周波点
灯に影響を及ぼさない。When the fluorescent discharge lamp (1) lights up, the lighting detection means (22)
The relays (19), (20), and (21) are switched from the contact A side to the contact B side.Then, power is supplied to the inverter circuit (14) from the commercial power supply (4),
As a result, a high frequency oscillation voltage is output from the inverter circuit (14), and is applied to the fluorescent discharge lamp (1) via the isolation transformer (15), the current limiting choke coil (16) and the relay (21).
A high frequency voltage is applied to the fluorescent discharge lamp (1), and the fluorescent discharge lamp (1) performs high frequency lighting. At this time, the lighting tube (11) and choke coil (2) for preheating the filament (la) (lb) and starting lighting at the frequency of the commercial power supply (4)
9) Contact A of (20) and (21) is open, so it does not affect high frequency lighting.
なお、点灯始動手段（１８）は、電子回路で構成するこ
とも可能である。Incidentally, the lighting starting means (18) can also be constituted by an electronic circuit.
また、点灯検知手段（２２）の螢光放電灯（１）の点灯
を検知する方法としては、例えばチョークコイル（２）
に流れる電流の変化を検出する、螢光放電灯（１）の両
端にかかる電圧の変化を検出する、螢光放電灯（１）の
光出力の変化をフォトトランジスタ等にて検出する等の
方法が適用できる。Further, as a method for detecting lighting of the fluorescent discharge lamp (1) of the lighting detection means (22), for example, the choke coil (2)
Methods include detecting changes in the current flowing through the fluorescent lamp (1), detecting changes in the voltage applied to both ends of the fluorescent discharge lamp (1), and detecting changes in the light output of the fluorescent lamp (1) using a phototransistor, etc. is applicable.
以上のようにして、螢光放電灯（１）は高周波にて点灯
されるので、螢光放電灯の発光効率が向上すると共に光
出力のちらつきかにとんどｌくなり、またフィラメント
の損失が小さくなる。As described above, since the fluorescent discharge lamp (1) is lit at high frequency, the luminous efficiency of the fluorescent discharge lamp is improved, the flickering of the light output is reduced to a minimum, and the loss of the filament is improved. becomes smaller.
また、インバータ回路（１４）の発振周波数を変えるこ
とによって、電流制限チョークコイル（１６）のインピ
ーダンスが変化し、螢光放電灯（１）の光出力を調光す
ることができる。Furthermore, by changing the oscillation frequency of the inverter circuit (14), the impedance of the current limiting choke coil (16) changes, and the light output of the fluorescent discharge lamp (1) can be dimmed.
（ト）発明の効果
本発明により、商用電源の周波数で点灯させる螢光灯装
置に上述のような電源装置を接続するだけで、螢光放電
灯を高周波で点灯させることができる。(g) Effects of the Invention According to the present invention, a fluorescent discharge lamp can be lit at a high frequency simply by connecting a power supply device as described above to a fluorescent lamp unit which is lit at a frequency of a commercial power supply.
第１図は本発明の電源装置を螢光灯装置に接続した状態
を示す外観斜視図、第２図は第１図における回路図、第
３図および第４図は従来技術を説明するための図面であ
る。
（１）・・・螢光放電灯、（３）・・・点灯管、（４）
・・・商用電源、（５）・・・螢光灯装置、（６）・・
・ソケット、（１７）・・・高周波電源、（１８）・・
・点灯始動手段、（１９）（２０）（２１）・・・リレ
ー（切換手段３ 、 （２２）・・・点灯検知手段。
第１図FIG. 1 is an external perspective view showing the state in which the power supply device of the present invention is connected to a fluorescent lamp device, FIG. 2 is a circuit diagram in FIG. 1, and FIGS. 3 and 4 are diagrams for explaining the prior art. It is a drawing. (1)...Fluorescent discharge lamp, (3)...Lighting tube, (4)
... commercial power supply, (5) ... fluorescent lamp device, (6) ...
・Socket, (17)...High frequency power supply, (18)...
・Lighting starting means, (19) (20) (21)...Relay (switching means 3, (22)...Lighting detection means. Fig. 1
Claims (2)
光放電灯の点灯始動用の点灯管取付用のソケットとを備
える螢光灯装置の前記点灯管取付用のソケットに接続さ
れ、該ソケットから高周波電源を供給して前記螢光放電
灯を高周波点灯することを特徴とする電源装置。(1) A socket for mounting a lighting tube of a fluorescent lamp device comprising a fluorescent discharge lamp that is lit at the frequency of a commercial power source and a socket for mounting a lighting tube for starting the lighting of the fluorescent lamp. A power supply device, characterized in that the fluorescent discharge lamp is lit at a high frequency by supplying high frequency power from the socket.
用ソケットを介して前記螢光放電灯を高周波点灯する高
周波電源と、前記螢光放電灯を点灯始動する点灯始動手
段と、前記螢光放電灯の点灯を検出する点灯検知手段と
、該検知手段に基づき商用電源からの電源の供給を前記
点灯始動手段から前記高周波電源に切換えて前記螢光放
電灯に高周波電源を供給するようになされた切換手段と
を備える請求項１記載の電源装置。(2) a high frequency power source that converts the frequency of a commercial power source into a high frequency and lights the fluorescent discharge lamp at high frequency through the lighting tube socket; a lighting starting means that starts lighting the fluorescent discharge lamp; A lighting detection means for detecting lighting of the discharge lamp; and a lighting detection means for switching the supply of power from a commercial power source from the lighting starting means to the high frequency power supply based on the detection means to supply high frequency power to the fluorescent discharge lamp. The power supply device according to claim 1, further comprising a switching means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2072502A JPH03272598A (en) | 1990-03-22 | 1990-03-22 | Electric power unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2072502A JPH03272598A (en) | 1990-03-22 | 1990-03-22 | Electric power unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03272598A true JPH03272598A (en) | 1991-12-04 |
Family
ID=13491178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2072502A Pending JPH03272598A (en) | 1990-03-22 | 1990-03-22 | Electric power unit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03272598A (en) |
-
1990
- 1990-03-22 JP JP2072502A patent/JPH03272598A/en active Pending
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