JP2607274Y2 - Lighting equipment - Google Patents
Lighting equipmentInfo
- Publication number
- JP2607274Y2 JP2607274Y2 JP1992057013U JP5701392U JP2607274Y2 JP 2607274 Y2 JP2607274 Y2 JP 2607274Y2 JP 1992057013 U JP1992057013 U JP 1992057013U JP 5701392 U JP5701392 U JP 5701392U JP 2607274 Y2 JP2607274 Y2 JP 2607274Y2
- Authority
- JP
- Japan
- Prior art keywords
- starting
- power supply
- filament
- lighting
- preheating current
- 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.)
- Expired - Fee Related
Links
Landscapes
- Circuit Arrangements For Discharge Lamps (AREA)
Description
【0001】[0001]
【産業上の利用分野】本考案は、多数の蛍光灯を点灯さ
せる照明装置に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a lighting device for lighting a large number of fluorescent lamps.
【0002】[0002]
【従来の技術】図3は従来の照明装置の回路図を示し、
交流電源ACに照明器具Aが接続されている。この照明
器具Aは、複数、この例では2本の蛍光灯11,12が並
列構成されており、各蛍光灯11,12の非電源側のフィ
ラメントの両端には始動装置である電子スタータ21,
22がそれぞれ接続されている。尚、Lはチョークコイ
ルである。2. Description of the Related Art FIG . 3 shows a circuit diagram of a conventional lighting device.
The lighting equipment A is connected to the AC power supply AC. The luminaire A is more, the fluorescent lamp 1 1 2 In this example, 1 2 is parallel configuration, the two ends of the filament of each fluorescent lamp 1 1, 1 2 of the non-power supply side is starting device Electronic starter 2 1 ,
2 2 are respectively connected. L is a choke coil.
【0003】ここで、蛍光灯の始動装置のうち、一般に
電子スタータはグロースタータに比べ始動時間を短くす
るため、大きな予熱電流を必要とし、そのため半波の予
熱電流を流す方式を採用している。このような電子スタ
ータを複数有する照明器具Aにおいては、図3に示すよ
うに、予熱電流が同一の向きに流れるように蛍光灯
11,12のフィラメントに接続するのが通常である。Here, among the starting devices for fluorescent lamps, an electronic starter generally requires a large preheating current in order to shorten the starting time as compared with a glow starter, and therefore adopts a method of supplying a half-wave preheating current. . In luminaire A having a plurality of such electronic starters, as shown in FIG. 3, it is usual preheating current is connected to the fluorescent lamp 1 1, 1 2 of the filaments to flow in the same direction.
【0004】[0004]
【考案が解決しようとする課題】このような照明器具A
を多数、長距離送り配線をして使用する場合、灯数分の
大きな電流が配線に流れるため、配線の電線の抵抗によ
り電圧ドロップを生じる。ここで図4の(イ)は点灯中
を示し、(ロ)は始動時を示し、(a)は電圧波形を、
(b)は電流波形をそれぞれ示している。[Problem to be Solved by the Invention] Such a lighting fixture A
When a large number of long-distance feed wires are used, a large current for the number of lamps flows through the wires, and a voltage drop occurs due to the resistance of the wires of the wires. Here, (a) of FIG. 4 shows lighting, (b) shows a start time, (a) shows a voltage waveform,
(B) shows the current waveform respectively.
【0005】そして、図4(イ)に示すように、点灯中
のランプ電流(a)により生じる電圧ドロップが数Vで
あっても、(ロ)に示すように、始動時は半波の大きな
予熱電流(b)を同一方向に流すため、点灯中に比べ2
〜3倍の電圧ドロップ((a)の破線)を生じ、器具入
力の電源電圧が異常に下がるため、始動不良が生じるこ
とが多いという問題があった。特に、多数の例として2
0灯一括点灯の場合は問題が生じ易い。As shown in FIG. 4A, even when the voltage drop caused by the lamp current (a) during lighting is several volts, as shown in FIG. Since the preheating current (b) flows in the same direction, it is 2
There is a problem that a voltage drop of about 3 times (broken line in (a)) occurs and the power supply voltage of the instrument input drops abnormally, so that starting failure often occurs. In particular, for many examples 2
In the case of zero lighting at once, a problem is likely to occur.
【0006】本考案は上述の点に鑑みて提供したもので
あって、始動時の電圧ドロップを小さくして、始動不良
をなくすことを目的とした照明装置を提供するものであ
る。The present invention has been made in view of the above points, and has as its object to provide an illuminating device which aims to reduce a voltage drop at the time of starting and to eliminate poor starting.
【0007】[0007]
【課題を解決するための手段】本考案は、一方にコイル
が直列接続された一対のフィラメントを有し、各フィラ
メントの非電源側に、始動時に半波の予熱電流を流して
点灯させる始動装置を備えた放電灯を交流電源に複数接
続した照明装置において、各始動装置の同一極性側のフ
ィラメントに前記コイルが接続され、かつ全始動装置
中、一部ないし半数の始動装置を予熱電流の通電方向が
逆となるように放電灯のフィラメントの両端に接続した
ものである。According to the present invention , a coil is provided on one side.
Has a pair of filaments connected in series,
The non-power side of the instrument, in the illumination device in which a plurality of connection to an AC power source the discharge lamp having a starting apparatus for lighting by applying a preheating current of a half-wave at startup, the same polarity of the off each starting device
The coil is connected to the filament, and a part or a half of the starting devices are connected to both ends of the filament of the discharge lamp so that the direction of the preheating current is reversed.
【0008】[0008]
【作用】而して、始動時、始動装置を介して予熱電流が
電源の正負の位相にそれぞれ分散されるため、放電灯の
電源電圧の電圧ドロップが小さくなり、始動不良が生じ
なくなる。また、入力電源電圧の波形の歪も小さくな
る。When starting, the preheating current is distributed to the positive and negative phases of the power supply via the starting device, so that the voltage drop of the power supply voltage of the discharge lamp is reduced, and starting failure does not occur. Also, the distortion of the waveform of the input power supply voltage is reduced.
【0009】[0009]
【実施例】以下、本考案の実施例を図面を参照して説明
する。図1は具体回路図を示し、照明器具A内の2つの
蛍光灯11 ,12 の非電源側のフィラメントに接続され
ている電子スタータ21 ,22 の接続方向を異ならせた
ものである。すなわち、蛍光灯12 側の電子スタータ2
2 を、蛍光灯11 側の電子スタータ21 の予熱電流が流
れる方向に対して逆向きになるように接続している。DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described below with reference to the drawings. Figure 1 shows a specific circuit diagram, those having different two fluorescent lamps 1 1, 1 electronic starter 2 1 is connected to the non-power supply side of the filaments 2, 2 second connection direction of the luminaire A is there. That is, the fluorescent lamp 1 of 2 side electronic starter 2
2, are connected so as to be opposite to the direction in which the preheating current of the fluorescent lamp 1 1 side of the electronic starter 2 1 flows.
【0010】また、図1の蛍光灯1 1 ,1 2 において、電
子スタータ2 1 ,2 2 のカソード側のフィラメントにコイ
ルであるチョークコイルLが接続されている。そして、
これらの照明器具Aが多数送り配線により接続されて、
所謂多灯点灯の構成に接続されるようになっている。図
1では、照明器具A内の蛍光灯11,12が2灯の場合を
示し、電子スタータ21,22を互いに予熱電流が逆方向
になるように接続しているが、2灯以上の蛍光灯が接続
されている場合は、一部ないし半数の電子スタータを逆
方向に接続するようにする。 Further, in the fluorescent lamp 1 1, 1 2 in Figure 1, electrostatic
Carp child starter 2 1, 2 2 of the cathode side of the filament
The choke coil L is connected. And
These lighting fixtures A are connected by multiple feed wiring,
It is connected to a so-called multi-lamp lighting configuration. Figure
In 1 shows the case of the fluorescent lamp 1 1, 1 2 2 lamps in the luminaire A, the electronic starter 2 1, 2 2 preheating current to each other are connected to have opposite directions, two lamps or more If one or more fluorescent lamps are connected, some or half of the electronic starters are connected in the opposite direction.
【0011】図2は電源電圧波形及び予熱電流の波形を
示し、(a)は電源電圧波形を、(b)は予熱電流波形
を示している。ここで、(a)の実線は大もとの電源電
圧波形を示し、破線はドロップ後の波形を示している。
つまり、電圧ドロップが従来と比べ少なくなっている。
このようにして電子スタータを逆方向に接続することに
より、始動時、予熱電流が電源の正負の位相にそれぞれ
分散されるため、電圧ドロップが小さくなり、始動不良
が生じなくなる。また、電源波形の歪も小さくなるもの
である。FIG . 2 shows a power supply voltage waveform and a preheating current waveform . FIG . 2A shows a power supply voltage waveform, and FIG . 2B shows a preheating current waveform. Here, the solid line in (a) shows the original power supply voltage waveform, and the broken line shows the waveform after dropping.
That is, the voltage drop is smaller than in the conventional case.
By connecting the electronic starter in the reverse direction in this way, at the time of starting, the preheating current is distributed to the positive and negative phases of the power supply, respectively, so that the voltage drop becomes small and the starting failure does not occur. In addition, the distortion of the power supply waveform is reduced.
【0012】[0012]
【考案の効果】本考案は上述のように、一方にコイルが
直列接続された一対のフィラメントを有し、各フィラメ
ントの非電源側に、始動時に半波の予熱電流を流して点
灯させる始動装置を備えた放電灯を交流電源に複数接続
した照明装置において、各始動装置の同一極性側のフィ
ラメントに前記コイルが接続され、かつ全始動装置中、
一部ないし半数の始動装置を予熱電流の通電方向が逆と
なるように放電灯のフィラメントの両端に接続したもの
であるから、始動時、始動装置を介して予熱電流が電源
の正負の位相にそれぞれ分散されるため、放電灯の電源
電圧の電圧ドロップが小さくなり、始動不良が生じなく
なる。また、入力電源電圧の波形の歪も小さくなるとい
う効果を奏するものである。また、交流電源に複数接続
される各放電灯は、各始動装置の同一極性側にコイルが
接続される構成のため、それぞれの放電灯は同様の構成
となる。よって、照明装置として1種類のみの放電灯を
使用するだけでよく、各放電灯の交流電源への接続方向
を変えることで容易に予熱電流の通電方向を逆にするこ
とができる。 [Effect of the Invention] As described above, the present invention has a coil on one side.
It has a pair of filaments connected in series, each filament
The non-power side of the cement, in the illumination device in which a plurality of connection to an AC power source the discharge lamp having a starting apparatus for lighting by applying a preheating current of a half-wave at startup, the same polarity side of each starting device Fi
The coil is connected to the lament, and during the entire starting device,
Since some or half of the starting devices are connected to both ends of the filament of the discharge lamp so that the direction of current supply of the preheating current is reversed, at the time of starting, the preheating current is connected to the positive and negative phases of the power Since they are dispersed, the voltage drop of the power supply voltage of the discharge lamp is reduced, and starting failure does not occur. Also, there is an effect that distortion of the waveform of the input power supply voltage is reduced. Also, multiple connections to AC power supply
Each starting lamp has a coil on the same polarity side of each starting device.
Each discharge lamp has the same configuration because it is connected
Becomes Therefore, only one type of discharge lamp is used as a lighting device.
Just use it, the direction of connection of each discharge lamp to the AC power supply
Can easily reverse the direction of the preheating current.
Can be.
【図1】本考案の実施例の具体回路図である。FIG. 1 is a specific circuit diagram of an embodiment of the present invention.
【図2】同上の動作波形図である。 FIG. 2 is an operation waveform diagram of the above.
【図3】従来例の具体回路図である。 FIG. 3 is a specific circuit diagram of a conventional example.
【図4】同上の動作波形図である。 FIG. 4 is an operation waveform diagram of the above.
11 蛍光灯 12 蛍光灯 21 電子スタータ 22 電子スタータ AC 交流電源1 1 fluorescent light 1 2 fluorescent light 2 1 electronic starter 2 2 electronic starter AC AC power supply
Claims (1)
ィラメントを有し、各フィラメントの非電源側に、始動
時に半波の予熱電流を流して点灯させる始動装置を備え
た放電灯を交流電源に複数接続した照明装置において、
各始動装置の同一極性側のフィラメントに前記コイルが
接続され、かつ全始動装置中、一部ないし半数の始動装
置を予熱電流の通電方向が逆となるように放電灯のフィ
ラメントの両端に接続したことを特徴とする照明装置。 A pair of coils each having a coil connected in series.
A lighting device having a filament, and a non-power supply side of each filament, a discharge lamp having a starting device for lighting by supplying a half-wave preheating current at the time of starting, to an AC power supply,
The coil is attached to the same polarity side filament of each starter.
Connected, and the total starting device, the illumination device characterized by energizing direction of the part or preheating current starting device half is connected to both ends of the filament of the discharge lamp so as to reverse.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1992057013U JP2607274Y2 (en) | 1992-08-13 | 1992-08-13 | Lighting equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1992057013U JP2607274Y2 (en) | 1992-08-13 | 1992-08-13 | Lighting equipment |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0617194U JPH0617194U (en) | 1994-03-04 |
JP2607274Y2 true JP2607274Y2 (en) | 2001-05-28 |
Family
ID=13043564
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1992057013U Expired - Fee Related JP2607274Y2 (en) | 1992-08-13 | 1992-08-13 | Lighting equipment |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2607274Y2 (en) |
-
1992
- 1992-08-13 JP JP1992057013U patent/JP2607274Y2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPH0617194U (en) | 1994-03-04 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20010306 |
|
LAPS | Cancellation because of no payment of annual fees |