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JPH0216515U - - Google Patents

Info

Publication number
JPH0216515U
JPH0216515U JP9437888U JP9437888U JPH0216515U JP H0216515 U JPH0216515 U JP H0216515U JP 9437888 U JP9437888 U JP 9437888U JP 9437888 U JP9437888 U JP 9437888U JP H0216515 U JPH0216515 U JP H0216515U
Authority
JP
Japan
Prior art keywords
inductance element
printed circuit
circuit boards
lighting device
discharge 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.)
Granted
Application number
JP9437888U
Other languages
Japanese (ja)
Other versions
JPH071697Y2 (en
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.)
Filing date
Publication date
Application filed filed Critical
Priority to JP9437888U priority Critical patent/JPH071697Y2/en
Publication of JPH0216515U publication Critical patent/JPH0216515U/ja
Application granted granted Critical
Publication of JPH071697Y2 publication Critical patent/JPH071697Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Circuit Arrangements For Discharge Lamps (AREA)
  • Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の実施例の一部破断せる斜視図
、第２図は同上の金属板の正面図、第３図は放電
灯点灯装置の回路図、第４図は同上の動作説明用
波形図、第５図は従来例の一部破断せる斜視図、
第６図は同上の騒音発生の動作説明図である。 ５は金属板、７は孔、Ｌ２はチヨークコイル、
Ｐ１，Ｐ２はプリント基板である。 Fig. 1 is a partially cutaway perspective view of an embodiment of the present invention, Fig. 2 is a front view of the metal plate of the above, Fig. 3 is a circuit diagram of the discharge lamp lighting device, and Fig. 4 is for explanation of the operation of the same. Waveform diagram, Figure 5 is a partially cutaway perspective view of the conventional example,
FIG. 6 is an explanatory diagram of the noise generation operation same as above. 5 is a metal plate, 7 is a hole, L2 is a chiyoke coil,
P 1 and P 2 are printed circuit boards.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 少なくとも可聴周波数で動作するインダクタン
ス要素を有するインバータ回路を備えるとともに
、上記インダクタンス要素の磁芯には開磁路を有
する磁芯を使用し、使用回路部品を少なくとも２
枚のプリント基板に分割して搭載し且つ両プリン
ト基板の間に配置した金属性の板を介して両プリ
ント基板の部品非搭載面を相対向させた放電灯点
灯装置において、上記金属性の板の面方向に対応
する上記インダクタンス要素の少なくとも最大面
積部位に対向した上記金属性の板の部位に孔を設
けて成ることを特徴とする放電灯点灯装置。 An inverter circuit having an inductance element that operates at least at an audio frequency is provided, a magnetic core having an open magnetic path is used as a magnetic core of the inductance element, and at least two circuit components are used.
In a discharge lamp lighting device that is mounted separately on two printed circuit boards, and the non-component surfaces of both printed circuit boards are opposed to each other through a metallic plate placed between the two printed circuit boards, the metallic plate A discharge lamp lighting device characterized in that a hole is provided in a portion of the metal plate facing at least a maximum area portion of the inductance element corresponding to a surface direction of the inductance element.
JP9437888U 1988-07-15 1988-07-15 Discharge lamp lighting device Expired - Lifetime JPH071697Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9437888U JPH071697Y2 (en) 1988-07-15 1988-07-15 Discharge lamp lighting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9437888U JPH071697Y2 (en) 1988-07-15 1988-07-15 Discharge lamp lighting device

Publications (2)

Publication Number Publication Date
JPH0216515U true JPH0216515U (en) 1990-02-02
JPH071697Y2 JPH071697Y2 (en) 1995-01-18

Family

ID=31318900

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9437888U Expired - Lifetime JPH071697Y2 (en) 1988-07-15 1988-07-15 Discharge lamp lighting device

Country Status (1)

Country Link
JP (1) JPH071697Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009301810A (en) * 2008-06-11 2009-12-24 Toshiba Lighting & Technology Corp Illuminating device
JP2014207737A (en) * 2013-04-11 2014-10-30 日立オートモティブシステムズ株式会社 Power conversion device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009301810A (en) * 2008-06-11 2009-12-24 Toshiba Lighting & Technology Corp Illuminating device
JP2014207737A (en) * 2013-04-11 2014-10-30 日立オートモティブシステムズ株式会社 Power conversion device

Also Published As

Publication number Publication date
JPH071697Y2 (en) 1995-01-18

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