JP3243268B2 - Electrodeless discharge lamp lighting device - Google Patents
Electrodeless discharge lamp lighting deviceInfo
- Publication number
- JP3243268B2 JP3243268B2 JP514692A JP514692A JP3243268B2 JP 3243268 B2 JP3243268 B2 JP 3243268B2 JP 514692 A JP514692 A JP 514692A JP 514692 A JP514692 A JP 514692A JP 3243268 B2 JP3243268 B2 JP 3243268B2
- Authority
- JP
- Japan
- Prior art keywords
- discharge lamp
- magnetic flux
- iron core
- lighting device
- discharge
- 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)
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
- Discharge Lamps And Accessories Thereof (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、電極のない放電灯に放
電灯電流を流し、従来の電極のある放電灯と同様の原理
で放電灯を点灯させるようにした無電極放電灯点灯装置
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electrodeless discharge lamp lighting apparatus in which a discharge lamp current is supplied to a discharge lamp having no electrodes and the discharge lamp is lit according to the same principle as a conventional discharge lamp having electrodes. .
【０００２】[0002]
【従来の技術】従来の放電灯点灯装置は、図７に示すよ
うにガラス管の両端部に一対のフィラメント1 を設けて
成る放電灯2 を構成し、この放電灯2 のフィラメント1
間に放電灯電圧を印加すると共に、各フィラメント1 を
加熱して、放電灯2 に放電灯電流を流し、これにより放
電灯2 を点灯させるようにしていた。2. Description of the Related Art A conventional discharge lamp lighting device comprises a discharge lamp 2 comprising a pair of filaments 1 provided at both ends of a glass tube as shown in FIG.
A discharge lamp voltage was applied during that time, and each filament 1 was heated to cause a discharge lamp current to flow through the discharge lamp 2, thereby lighting the discharge lamp 2.
【０００３】[0003]
【発明が解決しようとする課題】しかし、従来の場合、
放電灯2 の両端のフィラメント1 が損傷し易く、このた
め放電灯の寿命が短かくなるという問題があった。ま
た、フィラメント部で電力損があるため、点灯効率が悪
くなるという問題があった。本発明は上記問題に鑑み、
放電灯の寿命が長くなると共に、点灯効率を向上し得る
ようにしたものである。However, in the conventional case,
There is a problem that the filaments 1 at both ends of the discharge lamp 2 are easily damaged, which shortens the life of the discharge lamp. Further, there is a problem that the lighting efficiency is deteriorated due to power loss in the filament portion. The present invention has been made in view of the above problems,
The life of the discharge lamp is extended and the lighting efficiency can be improved.
【０００４】[0004]
【課題を解決するための手段】この技術的課題を解決す
るための本発明の技術手段は、終端のない放電灯11に磁
束を鎖交させて、該放電灯11に放電灯電流を流すように
した点にある。The technical means of the present invention for solving this technical problem is to link a magnetic flux to a discharge lamp 11 having no termination so that a discharge lamp current flows through the discharge lamp 11. It is in the point which was made.
【０００５】[0005]
【作用】１次コイル8 に交周波電源9 を接続すると、鉄
心7 に磁束が発生し、放電灯11が鉄心7 の磁束と鎖交
し、これにより放電灯11に放電灯電流が流れ、放電灯11
が点灯する。[Function] When the alternating-frequency power supply 9 is connected to the primary coil 8, magnetic flux is generated in the iron core 7, and the discharge lamp 11 is linked with the magnetic flux of the iron core 7, whereby the discharge lamp current flows through the discharge lamp 11 and Light 11
Lights up.
【０００６】[0006]
【実施例】以下、本発明を図示の実施例に従って説明す
ると、図１において7 は鉄心、8は１次コイルで、前記
鉄心7 に巻装されており、この１次コイル8 に高周波電
源9 を接続することにより、鉄心7 に磁束が発生するよ
うになっている。11は電極がなくかつ終端のない環状の
放電灯で、放電管内部のガス成分、水銀等は電極を有す
る従来の放電灯と同様の構成である。この放電灯11は、
１ターンの２次コイルを構成するように鉄心７に対して
鎖状に装着されており、鉄心7 の磁束と鎖交する従来の
トランスと同様の原理により放電灯11に放電灯電流が流
れるようになっている。DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described with reference to the illustrated embodiment. In FIG. 1, reference numeral 7 denotes an iron core, 8 denotes a primary coil, which is wound around the iron core 7. Are connected, a magnetic flux is generated in the iron core 7. Reference numeral 11 denotes a ring-shaped discharge lamp having no electrodes and no termination, and has a configuration similar to that of a conventional discharge lamp having electrodes for gas components, mercury, and the like inside the discharge tube. This discharge lamp 11
It is mounted in a chain with respect to the iron core 7 so as to form a one-turn secondary coil, and the discharge lamp current flows through the discharge lamp 11 by the same principle as that of a conventional transformer that links with the magnetic flux of the iron core 7. It has become.
【０００７】図２は他の実施例を示し、鉄心7 を、磁気
洩れ部13を有する磁気漏れ鉄心により構成し、漏洩磁束
により放電灯電流を一定にするようにしたものである。
その他の点は前記実施例と同様の構成である。図３は他
の実施例を示し、放電灯11を、２回以上鉄心7 の磁束と
交鎖させるようにしたものである。その他の点は図１の
実施例と同様の構成である。図４は他の実施例を示し、
放電灯電流が流れ始めることを助けるために放電灯11に
一対の補助電極15を設け、該補助電極15によって放電灯
11を放電させた後に鉄心7 の磁束との鎖交によって放電
灯電流が流れるようにしたものである。その他の点は図
１の実施例と同様の構成である。FIG. 2 shows another embodiment, in which the iron core 7 is constituted by a magnetic leakage iron core having a magnetic leakage part 13 so that the discharge lamp current is made constant by the leakage magnetic flux.
The other points are the same as in the above embodiment. FIG. 3 shows another embodiment, in which the discharge lamp 11 is crossed with the magnetic flux of the iron core 7 twice or more. Other points are the same as those of the embodiment of FIG. FIG. 4 shows another embodiment,
The discharge lamp 11 is provided with a pair of auxiliary electrodes 15 to help the discharge lamp current start flowing, and the discharge lamp
The discharge lamp current is caused to flow by the linkage with the magnetic flux of the iron core 7 after the discharge of 11. Other points are the same as those of the embodiment of FIG.
【０００８】図５は他の実施例を示し、放電灯11のガラ
ス管17外部に金属箔18を巻き、ガラス管17を介しての容
量成分により放電灯11を放電させるようにしたものであ
る。その他の点は図１の実施例と同様の構成である。図
６は本発明の具体例を示しており、同図において、150
Ｖの直流電源21により定電流プッシュプルインバータ22
を動作させ、１次コイル8 に500 KHZ 、420VOPの交周波
電圧を発生させるように構成している。１次コイル8 に
発生した交周波電圧により鉄心7 が励磁され、１ターン
あたり70Ｖの電圧が発生する。そして、この鉄心7 と鎖
交するように構成した放電灯11には70Ｖが印加されたこ
とと同様になり、放電灯11に放電灯電流が流れて該放電
灯11が点灯するようになっている。なお、放電灯11はＦ
Ｌ−４の放電灯を曲げてフィラメントを省略したものと
同等であり、放電灯11の管電圧は約20〜30Ｖであり、上
記70Ｖの起電圧で点灯することが可能である。FIG. 5 shows another embodiment, in which a metal foil 18 is wrapped around the glass tube 17 of the discharge lamp 11, and the discharge lamp 11 is discharged by a capacitance component via the glass tube 17. . Other points are the same as those of the embodiment of FIG. FIG. 6 shows a specific example of the present invention.
Constant current push-pull inverter 22 by V DC power supply 21
Operating the, 500 KH Z to the primary coil 8, and configured to generate a交周wave voltage of 420 V OP. The iron core 7 is excited by the alternating frequency voltage generated in the primary coil 8, and a voltage of 70 V is generated per turn. Then, it is the same as when 70 V is applied to the discharge lamp 11 configured so as to link with the iron core 7, so that a discharge lamp current flows through the discharge lamp 11 and the discharge lamp 11 is turned on. I have. The discharge lamp 11 is F
The discharge lamp 11 is equivalent to the discharge lamp of L-4 bent without a filament. The tube voltage of the discharge lamp 11 is about 20 to 30 V, and the lamp can be lit with the above-mentioned electromotive voltage of 70 V.
【０００９】前記電流プッシュプルインバータ22の動作
は従来のものと同一であり、チョーク24、１次コイル8
、共振コンデンサ25、主スイッチ26,27 で構成され、
主スイッチ26,27 が交互にオン、オフすることにより、
１次コイル8 に高周波電圧を発生させるようになってい
る。なお、周波数を高くする目的でスイッチングスピー
ドを上げるためにＭＯＳＦＥＴ（金属酸化膜ゲート電界
効果形トランジスタ）を主スイッチ26,27 として使用し
ている。その他の部品は主スイッチＱ1,Ｑ2 をオンオフ
させる為のドライブ回路である。The operation of the current push-pull inverter 22 is the same as that of the conventional one, and the choke 24, the primary coil 8
, A resonant capacitor 25, and main switches 26 and 27.
By turning on and off the main switches 26 and 27 alternately,
A high frequency voltage is generated in the primary coil 8. Note that MOSFETs (metal oxide gate field effect transistors) are used as the main switches 26 and 27 in order to increase the switching speed in order to increase the frequency. Other components are a drive circuit for turning on and off the main switches Q 1 and Q 2 .
【００１０】[0010]
【発明の効果】本発明によれば、終端のない放電灯11に
磁束を鎖交させて、該放電灯11に放電灯電流を流すよう
にしたので、放電灯11にはフィラメントが不要である
為、放電灯11の寿命が長くなる。また、放電灯11のフィ
ラメント部の電力損がなくなり、点灯効率を大幅に向上
し得る。また、前記放電灯電流を一定にするように、放
電灯11に磁束を鎖交させるための鉄心7を磁気漏れ鉄心
にて構成し、高周波電源9を接続した１次コイル8を、前
記鉄心7に磁束が発生するように、鉄心7に巻装し、前記
放電灯11を、２次コイルを構成するように鉄心7に対し
て鎖状に装着したので、放電灯電流を一定にして放電灯
11を安定に点灯することができると同時に、高周波電源
9と放電灯11との間に介在される鉄心7が、磁気漏れ鉄心
にて構成した１つの鉄心で済み、無電極放電灯点灯装置
を小型でかつ安価に提供することができる。According to the present invention, the discharge lamp 11 does not need a filament because the magnetic flux is linked to the endless discharge lamp 11 so that the discharge lamp current flows through the discharge lamp 11. Therefore, the life of the discharge lamp 11 is prolonged. Further, power loss of the filament portion of the discharge lamp 11 is eliminated, and the lighting efficiency can be greatly improved. In order to keep the discharge lamp current constant, a core 7 for linking magnetic flux to the discharge lamp 11 is constituted by a magnetic leakage core, and a primary coil 8 connected to a high-frequency power supply 9 is connected to the core 7. The discharge lamp 11 is wound around the iron core 7 so that a magnetic flux is generated, and the discharge lamp 11 is attached in a chain shape to the iron core 7 so as to form a secondary coil.
11 can be lit stably and at the same time high frequency power supply
The iron core 7 interposed between the discharge lamp 9 and the discharge lamp 11 may be a single iron core constituted by a magnetic leakage iron core, and it is possible to provide a small and inexpensive electrodeless discharge lamp lighting device.
【００１１】また、高周波電源9を接続した１次コイル8
を、前記鉄心7に磁束が発生するように、鉄心7に巻装
し、鉄心7の磁束と２回以上交鎖する２ターン以上の２
次コイルを構成するように、前記放電灯11を鉄心7に対
して鎖状に装着したので、鉄心7側から放電灯11に対し
て所望の高電圧を供給できる。従って、簡単な構成で放
電灯11に高電圧を供給して、放電灯11の始動等を確実か
つ安定なものになし得る。また、前記放電灯電流が流れ
始めることを助けるために放電灯11に一対の補助電極15
を設け、該補助電極15によって放電灯11を放電させた後
に磁束の鎖交によって放電灯電流が流れるようにし、補
助電極15によって放電灯11を広い範囲で放電させるよう
に、一対の補助電極15を、互いに放電灯11の環状方向に
大きく離間させて配置したので、一対の補助電極15によ
り、放電灯11の環状方向に沿って一方の補助電極15から
他方の補助電極15に至る互いに相反する二方向の経路
で、放電灯11を放電させることができて、環状の放電灯
11を略全域に亘る広い範囲で放電させることができ、こ
の補助電極15による放電灯11の放電によって、放電灯11
を広い範囲で点灯し易い状態にすることができ、放電灯
11への供給電圧が低くても放電灯11を磁束の鎖交により
確実に点灯できるようになる。A primary coil 8 to which a high-frequency power supply 9 is connected
Is wound around the iron core 7 so that a magnetic flux is generated in the iron core 7, and two or more turns of the magnetic flux of the iron core 7 are crossed two or more times.
Since the discharge lamp 11 is attached to the iron core 7 in a chain shape so as to form a next coil, a desired high voltage can be supplied to the discharge lamp 11 from the iron core 7 side. Therefore, a high voltage can be supplied to the discharge lamp 11 with a simple configuration, and the starting and the like of the discharge lamp 11 can be performed reliably and stably. Also, a pair of auxiliary electrodes 15 are provided to the discharge lamp 11 to help the discharge lamp current start to flow.
After the discharge lamp 11 is discharged by the auxiliary electrode 15, the discharge lamp current flows by the linkage of the magnetic flux, and the auxiliary electrode 15 discharges the discharge lamp 11 over a wide range. Are arranged so as to be largely separated from each other in the annular direction of the discharge lamp 11, so that the pair of auxiliary electrodes 15 conflict with each other from one auxiliary electrode 15 to the other auxiliary electrode 15 along the annular direction of the discharge lamp 11. The discharge lamp 11 can be discharged in a two-way path,
The discharge of the discharge lamp 11 by the auxiliary electrode 15 can discharge the discharge lamp 11 over a wide range over substantially the entire area.
Can be easily turned on in a wide range, and the discharge lamp
Even if the voltage supplied to the discharge lamp 11 is low, the discharge lamp 11 can be reliably turned on by the linkage of the magnetic flux.
【図１】本発明の一実施例を示す構成図である。FIG. 1 is a configuration diagram showing one embodiment of the present invention.
【図２】他の実施例を示す構成図である。FIG. 2 is a configuration diagram showing another embodiment.
【図３】他の実施例を示す構成図である。FIG. 3 is a configuration diagram showing another embodiment.
【図４】他の実施例を示す構成図である。FIG. 4 is a configuration diagram showing another embodiment.
【図５】他の実施例を示す断面図である。FIG. 5 is a sectional view showing another embodiment.
【図６】本発明の具体例を示す回路図である。FIG. 6 is a circuit diagram showing a specific example of the present invention.
【図７】従来例を示す構成図である。FIG. 7 is a configuration diagram showing a conventional example.
11 放電灯 15 補助電極 17 ガラス管 18 金属箔 11 Discharge lamp 15 Auxiliary electrode 17 Glass tube 18 Metal foil
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭63−58797（ＪＰ，Ａ) 特開 昭55−155463（ＪＰ，Ａ) 特開 平４−56058（ＪＰ，Ａ) 特開 昭63−311179（ＪＰ，Ａ) 特公 昭37−6689（ＪＰ，Ｂ２) 米国特許1534251（ＵＳ，Ａ) 米国特許3717782（ＵＳ，Ａ) (58)調査した分野(Int.Cl.7，ＤＢ名) H05B 41/24 H01J 65/04 ──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-63-58797 (JP, A) JP-A-55-155463 (JP, A) JP-A-4-56058 (JP, A) JP-A 63-58763 311179 (JP, A) JP-B-37-6689 (JP, B2) U.S. Pat. No. 1,534,251 (US, A) U.S. Pat. No. 3,177,782 (US, A) (58) Fields investigated (Int. Cl. 7 , DB name) 41/24 H01J 65/04
Claims (2)
て、該放電灯(11)に放電灯電流を流すようにした無電極
放電灯点灯装置であって、 高周波電源(9)を接続した１次コイル(8)を、前記鉄心
(7)に磁束が発生するように、鉄心(7)に巻装し、鉄心
(7)の磁束と２回以上交鎖する２ターン以上の２次コイ
ルを構成するように、前記放電灯(11)を鉄心(7)に対し
て鎖状に装着したことを特徴とする無電極放電灯点灯装
置。1. An electrodeless discharge lamp lighting device in which a magnetic flux is linked to a discharge lamp (11) having no terminal so that a discharge lamp current flows through said discharge lamp (11). ) Is connected to the iron core
Wrap around core (7) so that magnetic flux is generated in (7), and
The discharge lamp (11) is attached to the iron core (7) in a chain shape so as to form a secondary coil having two or more turns crossing the magnetic flux of (7) at least twice. Electrode discharge lamp lighting device.
交させて、該放電灯(11)に放電灯電流を流すようにした
無電極放電灯点灯装置であって、 前記放電灯電流が流れ始めることを助けるために放電灯
(11)に一対の補助電極(15)を設け、該補助電極(15)によ
って放電灯(11)を放電させた後に磁束の鎖交によって放
電灯電流が流れるようにし、補助電極(15)によって放電
灯(11)を広い範囲で放電させるように、一対の補助電極
(15)を、互いに放電灯(11)の環状方向に大きく離間させ
て配置したことを特徴とする無電極放電灯点灯装置。2. An electrodeless discharge lamp lighting device in which a magnetic flux is linked to an annular discharge lamp (11) having no end so that a discharge lamp current flows through the discharge lamp (11). Discharge lamp to help the lamp current start flowing
(11) is provided with a pair of auxiliary electrodes (15), and after the discharge lamp (11) is discharged by the auxiliary electrodes (15), a discharge lamp current flows by linkage of magnetic flux, and the auxiliary electrodes (15) In order to discharge the discharge lamp (11) over a wide range, a pair of auxiliary electrodes
An electrodeless discharge lamp lighting device, wherein (15) are arranged so as to be largely apart from each other in the annular direction of the discharge lamp (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP514692A JP3243268B2 (en) | 1992-01-14 | 1992-01-14 | Electrodeless discharge lamp lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP514692A JP3243268B2 (en) | 1992-01-14 | 1992-01-14 | Electrodeless discharge lamp lighting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH05190005A JPH05190005A (en) | 1993-07-30 |
| JP3243268B2 true JP3243268B2 (en) | 2002-01-07 |
Family
ID=11603161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP514692A Expired - Fee Related JP3243268B2 (en) | 1992-01-14 | 1992-01-14 | Electrodeless discharge lamp lighting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3243268B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20020080787A (en) * | 2001-04-17 | 2002-10-26 | 강성진 | Electrodeless fluorescent lamp having 3-dimensional structure |
| JP2003109548A (en) * | 2001-09-28 | 2003-04-11 | Matsushita Electric Works Ltd | Electrodeless discharge lamp lighting device |
| CN100435267C (en) * | 2004-12-22 | 2008-11-19 | 李进 | Inner penetration composition type generator of magnetic energy, and magnetic energy lamp |
| CN100447939C (en) * | 2004-12-22 | 2008-12-31 | 李进 | Outer packed composition type generator of magnetic energy, and magnetic energy lamp |
-
1992
- 1992-01-14 JP JP514692A patent/JP3243268B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH05190005A (en) | 1993-07-30 |
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| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
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| LAPS | Cancellation because of no payment of annual fees |