JP2567974B2 - Discharge lamp lighting device - Google Patents
Discharge lamp lighting deviceInfo
- Publication number
- JP2567974B2 JP2567974B2 JP2173884A JP17388490A JP2567974B2 JP 2567974 B2 JP2567974 B2 JP 2567974B2 JP 2173884 A JP2173884 A JP 2173884A JP 17388490 A JP17388490 A JP 17388490A JP 2567974 B2 JP2567974 B2 JP 2567974B2
- Authority
- JP
- Japan
- Prior art keywords
- circuit board
- circuit
- discharge lamp
- inverter
- lighting device
- 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
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Description
【発明の詳細な説明】 （産業上の利用分野） 本発明は例えば、天井などに取付けられる照明器具な
どの放電灯点灯装置に関する。The present invention relates to a discharge lamp lighting device such as a lighting fixture mounted on a ceiling or the like.
（従来の技術） 従来のこの種の放電灯点灯装置は、インバータ点灯回
路素子を回路基板の一面側にのみに装着接続し、この回
路基板を下ケース部材とこの下ケース部材に嵌合される
上ケース部材とにて構成されるケースに収納し、回路基
板の上面側と上ケース部材との間にインバータトランス
などの面積が大きくかつ高さ寸法の大きいインダクタ素
子などを基準に所定の高さ寸法の絶縁空間距離を保持す
る構造が採られていた。(Prior Art) In a conventional discharge lamp lighting device of this type, an inverter lighting circuit element is mounted and connected only to one surface side of a circuit board, and the circuit board is fitted to a lower case member and the lower case member. It is housed in a case that is composed of the upper case member, and has a predetermined height between the upper surface of the circuit board and the upper case member, based on an inductor element with a large area such as an inverter transformer and a large height. A structure has been adopted that maintains the insulating space distance of dimensions.
（発明が解決しようとする課題） 上記従来の構造の放電灯点灯装置は、ケース内に収納
したインバータ点灯回路素子を装着した回路基板の上側
に絶縁空間距離を保持するため、高さが高くなり、薄形
化、小形化に問題があり、また、放熱のためのケースの
開口から塵埃が浸入し、絶縁性に問題があった。(Problems to be Solved by the Invention) The above-described conventional discharge lamp lighting device has a high height because the insulating space distance is maintained above the circuit board on which the inverter lighting circuit element housed in the case is mounted. There is a problem in thinning and downsizing, and there is a problem in insulation due to the infiltration of dust from the opening of the case for heat dissipation.
本発明は上記問題点に鑑みなされたもので、回路基板
の薄形化、小形化を可能とするとともに、この回路基板
を収納した状態での全体の薄形化、小形化を可能とし、
これにより照明器具の薄形化、小形化を可能とした放電
灯点灯装置を提供することを目的とする。The present invention has been made in view of the above problems, and enables thinning and downsizing of a circuit board, and enables thinning and downsizing of the entire circuit board in a housed state,
Accordingly, it is an object of the present invention to provide a discharge lamp lighting device capable of reducing the thickness and size of a lighting fixture.
（課題を解決するための手段） 請求項１に記載の発明の放電灯点灯装置は、筒状ケー
スと、このケース内に収納され、インバータ点灯回路素
子が実装された回路基板と、この回路基板の両端にそれ
ぞれ設けられ、前記インバータ点灯回路に接続された端
子台と、前記回路基板を覆い前記ケースの内周面の少く
とも底面部および上面部に沿って配設され、前記インバ
ータ点灯回路とケースとの絶縁を保持する絶縁板とを備
え、前記インバータ点灯回路素子のうち、大形素子が前
記回路基板の表面側にその大形素子の長手方向を回路基
板に平行に配設して実装され、小形素子が回路基板の裏
面側に面実装されたものである。(Means for Solving the Problems) The discharge lamp lighting device according to the invention as set forth in claim 1 is a cylindrical case, a circuit board housed in the case and mounted with an inverter lighting circuit element, and the circuit board. And terminal blocks that are respectively provided at both ends of the inverter and are connected to the inverter lighting circuit, and that are arranged along at least the bottom surface portion and the upper surface portion of the inner peripheral surface of the case that covers the circuit board, and that are connected to the inverter lighting circuit. A large element of the inverter lighting circuit elements is mounted on the front surface side of the circuit board with the longitudinal direction of the large element arranged parallel to the circuit board. The small element is surface-mounted on the back side of the circuit board.
請求項２に記載の発明の放電灯点灯装置は、請求項１
に記載の放電灯点灯装置において、回路基板に接続した
インバータ点灯回路のスイッチング素子の放熱板は絶縁
板の開口を挿通してケースの内面に固定したものであ
る。The discharge lamp lighting device according to the invention described in claim 2 is the device according to claim 1.
In the discharge lamp lighting device described in the above item 1, the heat dissipation plate of the switching element of the inverter lighting circuit connected to the circuit board is fixed to the inner surface of the case by inserting the opening of the insulating plate.
請求項３に記載の発明の放電灯点灯装置は、請求項１
に記載の放電灯点灯装置において、回路基板に接続した
一端側の端子台は電源側接続端子台とするとともに他端
側の端子台は負荷側接続端子台とし、前記回路基板の略
中央部にインバータ点灯回路のスイッチング素子を配設
し、一端側に電源側とインバータ回路との間に接続され
るノイズフィルタを配設し、他端側にインバータ点灯回
路のインダクタ素子を配設したものである。The discharge lamp lighting device according to a third aspect of the present invention is the first aspect of the present invention.
In the discharge lamp lighting device according to claim 1, the terminal block on one end side connected to the circuit board is a power supply side connection terminal block and the terminal block on the other end side is a load side connection terminal block, in the substantially central portion of the circuit board. The switching element of the inverter lighting circuit is arranged, the noise filter connected between the power supply side and the inverter circuit is arranged at one end side, and the inductor element of the inverter lighting circuit is arranged at the other end side. .
請求項４に記載の発明の放電灯点灯装置は、請求項３
に記載の放電灯点灯装置において、インダクタ素子のコ
アは回路基板に形成した挿通孔に挿通して回路基板に保
持したものである。The discharge lamp lighting device according to a fourth aspect of the present invention is the third aspect.
In the discharge lamp lighting device described in the item (1), the core of the inductor element is inserted into an insertion hole formed in the circuit board and held on the circuit board.
請求項５に記載の発明の放電灯点灯装置は、請求項３
に記載の放電灯点灯装置において、電源側端子台および
負荷側端子台はそれぞれ外端面に内側に鎖錠端子を配設
した接続孔を形成したものである。The discharge lamp lighting device according to the invention described in claim 5 is the device according to claim 3.
In the discharge lamp lighting device according to the item (1), the power supply side terminal block and the load side terminal block are each formed with a connection hole on the outer end surface of which a locking terminal is arranged inside.
（作用） 請求項１記載の放電灯点灯装置では、筒状ケース内に
収納した回路基板のインバータ点灯回路素子とケース内
周面の少くとも底面部と上面部との間に回路基板を覆う
絶縁板を介在させたため、インバータ回路素子とケース
とが近接されてもインバータ点灯回路の絶縁距離が保持
され、しかも、端子台が回路基板の両端に配設されてい
るため、全体の薄形化が可能となり、放電灯点灯装置の
薄形、小形化が図れ、器具の薄形化が容易となる。(Operation) In the discharge lamp lighting device according to claim 1, an insulation covering the circuit board between the inverter lighting circuit element of the circuit board housed in the cylindrical case and at least the bottom surface portion and the upper surface portion of the inner peripheral surface of the case. Since the plate is interposed, the insulation distance of the inverter lighting circuit is maintained even if the inverter circuit element and the case are close to each other, and since the terminal blocks are arranged at both ends of the circuit board, the overall thickness can be reduced. This allows the discharge lamp lighting device to be made thinner and smaller, and the fixture to be made thinner easily.
さらに、インバータ点灯回路素子のうち大形素子が回
路基板の表面側にその大形素子の長手方向を回路基板に
平行に配設して接続され、小形素子が回路基板の裏面側
に面実装されることにより、各素子を接続した回路基板
の高さを低くでき、全体の薄形化が可能となるとともに
回路基板の有効面接がを拡げ、小形化が可能となる。Further, among the inverter lighting circuit elements, a large-sized element is connected to the front surface side of the circuit board with the longitudinal direction of the large-sized element arranged parallel to the circuit board, and a small element is surface-mounted on the back surface side of the circuit board. As a result, the height of the circuit board to which each element is connected can be reduced, the overall thickness can be reduced, and the effective surface contact of the circuit board can be widened to reduce the size.
請求項２記載の放電灯点灯装置では、請求項１記載の
放電灯点灯装置の作用に加えて、回路基板に接続したイ
ンバータ点灯回路のスイッチング素子の放熱板は絶縁板
の開口を挿通してケースの内面に固定することにより、
スイッチング素子の放熱が良好となり、スイッチング素
子は安定したスイッチング動作を行い、インバータ点灯
回路に接続された放電ランプには安定した電流が流れ、
ランプ寿命を短くすることがなく所要の寿命を維持する
ことができる。In the discharge lamp lighting device according to claim 2, in addition to the function of the discharge lamp lighting device according to claim 1, the heat dissipation plate of the switching element of the inverter lighting circuit connected to the circuit board is inserted through the opening of the insulating plate to form a case. By fixing to the inner surface of
The heat dissipation of the switching element becomes good, the switching element performs stable switching operation, and a stable current flows through the discharge lamp connected to the inverter lighting circuit.
The required life can be maintained without shortening the lamp life.
請求項３記載の放電灯点灯装置では、請求項１記載の
放電灯点灯装置の作用に加えて、一端側の端子台には電
源側電線を接続し他端側の端子台には負荷側電線を接続
すればよく、配線が容易となり、スイッチング素子は、
ノイズフィルタおよびインダクタ素子の温度上昇の影響
を受けることがなく、また、ノイズフィルタおよびイン
ダクタ素子は端部に配設され、放熱が良好に行われ、ス
イッチング素子のスイッチング動作が安定し、放電ラン
プの寿命を短くすることがない。In the discharge lamp lighting device according to claim 3, in addition to the operation of the discharge lamp lighting device according to claim 1, the power supply side electric wire is connected to the terminal block on one end side and the load side electric wire is connected to the terminal block on the other end side. Connection, wiring becomes easy, and the switching element
It is not affected by the temperature rise of the noise filter and the inductor element, and the noise filter and the inductor element are arranged at the ends to radiate heat well, the switching operation of the switching element is stable, and the discharge lamp It does not shorten the life.
請求項４記載の放電灯点灯装置は、請求項３記載の放
電灯点灯装置の作用に加えて、インダクタ素子のコアは
回路基板に形成した挿通孔に挿通して回路基板に保持さ
れ、全体の高さを低くでき、ケースに開口を形成する必
要がないので、開口から塵埃が浸入して絶縁不良が生じ
ることもない。According to the discharge lamp lighting device of the fourth aspect, in addition to the function of the discharge lamp lighting device of the third aspect, the core of the inductor element is inserted into an insertion hole formed in the circuit substrate and held by the circuit substrate, Since the height can be reduced and it is not necessary to form an opening in the case, dust does not enter from the opening and insulation failure does not occur.
請求項５記載の放電灯点灯装置は、請求項３記載の放
電灯点灯装置の作用に加えて、電源側端子台および負荷
側端子台はそれぞれ外端面に形成した接続孔にそれぞれ
電源側電線と負荷側電線を差込むことにより鎖錠端子に
接続でき、配線作業が容易となる。The discharge lamp lighting device according to a fifth aspect of the present invention has, in addition to the function of the discharge lamp lighting device according to the third aspect, a power source side terminal block and a load side terminal block respectively connected to a power source side electric wire in a connection hole formed on an outer end surface thereof. By inserting the load side electric wire, it can be connected to the lock terminal and wiring work becomes easy.
（実施例） 本発明の一実施例の構成を図面について説明する。(Embodiment) A configuration of an embodiment of the present invention will be described with reference to the drawings.
１はアルミニュームなどの非磁性体金属で成形された
ケースで、このケース１は、断面略コ字形の下ケース部
材２とこの下ケース部材２に嵌合される略断面コ字状の
上ケース部材３とにて両端に開口した細長偏平矩形筒状
に形成され、この下ケース部材２の側面に形成した係合
孔４に上ケース部材３の側面に内方に膨出させたボス状
突部５とにより嵌合状態が保持されるようになってい
る。そして、前記下ケース部材２には両端に長円孔また
は切欠き凹部にて取付け部６が形成され、この取付け部
６に対応して上ケース部材３の両端には切欠き凹部７が
形成されている。Reference numeral 1 denotes a case formed of a non-magnetic metal such as aluminum. The case 1 includes a lower case member 2 having a substantially U-shaped cross section and an upper case having a substantially U-shaped cross section fitted to the lower case member 2. A boss-like protrusion that is formed in a slender flat rectangular tube shape that is open at both ends together with the member 3 and that is formed in a side surface of the lower case member 2 and has an engagement hole 4 formed inwardly on the side surface of the upper case member 3. The fitting state is retained by the portion 5. Further, the lower case member 2 is provided with mounting portions 6 at both ends by oval holes or notched concave portions, and notched concave portions 7 are formed at both ends of the upper case member 3 corresponding to the mounting portions 6. ing.
また、８はインバータ点灯回路素子を装着した回路基
板で、この回路基板８は前記下ケース部材２に収納して
取付けられ、前記上ケース部材３にて覆われるようにな
っている。この回路基板８の表面側両端にそれぞれ端子
台9,10が配設され、この端子台9,10に設けた端子ピンが
前記回路基板８の表面側から挿通され裏面側で半田接続
されるスルーホール方式で電気的に接続されて端子台9,
10は回路基板８に取付けられている。また、この両端子
台9,10は前記ケース１の両端開口部に嵌合されてこの開
口部を閉塞するようになっている。この両端の端子台9,
10にはそれぞれ前記下ケース部材２の取付け部６に対向
して外面側中央部に逃げ凹部11が形成されている。そし
て、この一方の端子台９の外面には電源側電線を接続す
る自己鎖錠端子または圧接端子などの鎖錠端子を内部に
配設した接続孔が開口され、また、前記他方の端子台10
には外端面にランプに接続される負荷側電線を接続する
自己鎖錠端子または圧接端子などの鎖錠端子を内部に配
設した接続孔12が複数並列に開口されている。Reference numeral 8 is a circuit board on which an inverter lighting circuit element is mounted. The circuit board 8 is housed and attached to the lower case member 2 and is covered by the upper case member 3. Terminal blocks 9 and 10 are arranged at both ends of the front side of the circuit board 8, respectively, and terminal pins provided on the terminal blocks 9 and 10 are inserted from the front side of the circuit board 8 and solder-connected on the back side. The terminal block is electrically connected by the hall system 9,
Reference numeral 10 is attached to the circuit board 8. The two terminal blocks 9 and 10 are fitted into the openings at both ends of the case 1 to close the openings. Terminal blocks on both ends 9,
Recesses 11 are formed in the central portions of the outer surfaces of the lower casing members 10 so as to face the mounting portions 6 of the lower casing member 2. Then, a connection hole in which a locking terminal such as a self-locking terminal or a pressure contact terminal for connecting the power source side electric wire is arranged is opened on the outer surface of the one terminal block 9, and the other terminal block 10 is also provided.
A plurality of connection holes 12 in which lock terminals such as a self-lock terminal or a pressure contact terminal for connecting a load-side electric wire to be connected to a lamp are provided inside are formed in parallel on the outer end surface.
また、前記回路基板８の表面側略中央部には、略コ字
状の放熱板13が配設され、この放熱板13の中央部に当接
したインバータ回路のスイッチング素子であるスイッチ
ングトランジスタ14とともにこの放熱板13がねじ15にて
回路基板８に固着されている。そして、このスイッチン
グトランジスタ14のリード線はスルーホール方式で回路
基板８の表面側から挿通され裏面側で半田接続されてい
る。また、この放熱板13の両端部は両端側に向ってそれ
ぞれ折曲げた固定片部16が形成され、この固定片部16は
ねじ17にて前記下ケース部材２に固着されるようになっ
ている。Further, a heat dissipation plate 13 having a substantially U-shape is provided at a substantially central portion on the front surface side of the circuit board 8. Along with a switching transistor 14 which is a switching element of an inverter circuit and which is in contact with the central portion of the heat dissipation plate 13, The heat dissipation plate 13 is fixed to the circuit board 8 with screws 15. The lead wire of the switching transistor 14 is inserted from the front surface side of the circuit board 8 by a through-hole method and solder-connected on the back surface side. Further, both ends of the heat radiating plate 13 are formed with fixing pieces 16 which are bent toward both ends, and the fixing pieces 16 are fixed to the lower case member 2 with screws 17. There is.
さらに、前記回路基板８の一端側に電源側端子台９と
インバータ回路との間に接続されるノイズフィルタ、例
えば、チョークコイル18とフィルムコンデンサなどのコ
ンデンサ19がそれぞれリード線をスルーホール方式で回
路基板８の表面側から挿通して裏面側で半田接続されて
いる。なお、このチョークコイル18は回路基板に形成さ
れた挿通孔20に挿通されて一部が裏面側に突出されて突
出高さが低くなるように取付けられている。Further, a noise filter, for example, a choke coil 18 and a capacitor 19 such as a film capacitor, which are connected between the power source side terminal block 9 and the inverter circuit on one end side of the circuit board 8, respectively have lead wires in a circuit through a through hole method. The board 8 is inserted from the front surface side and solder-connected on the back surface side. The choke coil 18 is inserted into an insertion hole 20 formed in the circuit board, and a part of the choke coil 18 is projected to the back surface side so that the projection height is reduced.
また、前記回路基板８の裏面側に、インバータ点灯回
路のインダクタ素子、例えば、インバータトランス21が
コイルに接続したリード線をスルーホール方式で回路基
板８の表面側から挿通して裏面側で半田接続されてい
る。そして、このインバータトランス21のフェライトコ
ア22は前記回路基板８に形成した挿通孔20に挿通されて
回路基板８に保持されている。In addition, an inductor element of an inverter lighting circuit, for example, a lead wire in which an inverter transformer 21 is connected to a coil is inserted into the back side of the circuit board 8 from the front side of the circuit board 8 by a through hole method, and solder connection is performed on the back side. Has been done. The ferrite core 22 of the inverter transformer 21 is inserted into the insertion hole 20 formed in the circuit board 8 and held by the circuit board 8.
また、このインバータトランス21は、上下に互いに対
向して突合わされるフェライトコア22,22とこのフエラ
イトコア22,22に同心円状に巻回した一次コイル23aおよ
び二次コイル23bとにて形成されている。そして、フェ
ライトコア22,22は中央脚心と側脚心がそれぞれ平行に
形成され、この中央脚心と側脚心との間に位置して漏洩
脚心がそれぞれ平行に形成されている。また、一次コイ
ル23aは前記フェライトコア22,22の中央脚心に嵌合さ
れ、前記二次コイル23bは漏洩脚心に嵌合され、一次コ
イルの外側に二次コイル23bが配設されている。そし
て、この一次コイル23aおよび二次コイル23bは巻回方向
が前記回路基板８と平行方向となるようにコイルボビン
の下面が回路基板８に当接または近接されるようになっ
ている。The inverter transformer 21 is formed by ferrite cores 22 and 22 that are vertically opposed to each other and abutted, and a primary coil 23a and a secondary coil 23b that are concentrically wound around the ferrite cores 22 and 22. There is. In the ferrite cores 22, 22, the central leg and the side leg are formed in parallel with each other, and the leakage leg is formed in parallel between the central leg and the side leg. Further, the primary coil 23a is fitted to the central leg center of the ferrite cores 22 and 22, the secondary coil 23b is fitted to the leakage leg center, and the secondary coil 23b is arranged outside the primary coil. The lower surface of the coil bobbin of the primary coil 23a and the secondary coil 23b is in contact with or close to the circuit board 8 so that the winding direction is parallel to the circuit board 8.
さらに、インバター点灯回路素子のうち、例えば、ダ
イオード25、電解コンデンサ26,26、バリスタ27、抵抗2
8,29、可変抵抗30、フィルムコンデンサ31,31、ダイオ
ード32,32などはリード線をスルーホール方式で回路基
板８の表面側から挿通して裏面側で半田接続されてい
る。そして、この各素子の内、大形の素子、例えば、コ
ンデンサ19、電解コンデンサ26,26、抵抗28などの回路
基板８の表面側に長手方向をこの回路基板８に平行に配
設されている。また、比較的小形の前記抵抗29、可変抵
抗30、フィルムコンデンサ31,31、ダイオード32,32など
は前記放熱板13の固定片部16に対向して回路基板８の表
面側に配設され、この各素子と放熱板13の固定片部16と
の間に合成樹脂などの絶縁板33が配設され、この絶縁内
33によって絶縁距離が保持されている。Further, among the inverter circuit elements, for example, the diode 25, the electrolytic capacitors 26, 26, the varistor 27, the resistor 2
8, 29, the variable resistor 30, the film capacitors 31, 31, the diodes 32, 32, etc. are connected to the lead wires through the through hole method from the front surface side of the circuit board 8 and soldered on the back surface side. Of these elements, large elements, for example, capacitors 19, electrolytic capacitors 26, 26, resistors 28, etc. are arranged on the front surface side of the circuit board 8 in the longitudinal direction in parallel with the circuit board 8. . Further, the relatively small resistor 29, the variable resistor 30, the film capacitors 31, 31, the diodes 32, 32, etc. are arranged on the front surface side of the circuit board 8 so as to face the fixed piece portion 16 of the heat dissipation plate 13, An insulating plate 33 made of synthetic resin or the like is arranged between each of these elements and the fixing piece portion 16 of the heat dissipation plate 13, and
The insulation distance is maintained by 33.
また、前記インバータ点灯回路素子の内、小形の素
子、例えば、抵抗34、ダイオード35などは前記回路基板
８の裏面側に面実装で接続固着されている。Further, among the inverter lighting circuit elements, small elements such as the resistor 34 and the diode 35 are surface-mounted and fixed to the back surface side of the circuit board 8.
また、40,41は合成樹脂などの絶縁板で、略コ字状に
形成され、前記下ケース部材２、上ケース部材３の内周
面の少くとも底面部および上面部に沿って回路基板８を
覆うように配設され、この絶縁板40,41は前記回路基板
８の表裏面にそれぞれ装着された各素子と下ケース部材
２および上ケース部材３との間に介在されて各素子と両
ケース部材2,3との絶縁距離を保持するようになってい
る。また、この両絶縁板40,41の両端部には、前記両ケ
ース部材2,3の両端に形成した取付け部６と切欠き凹部
７に対向して凹部42,43がそれぞれ形成されている。ま
た、下ケース部材２の内面に添着される絶縁板40には前
記放熱板13の固定片部16,16に対向する位置に開口44,44
が形成されている。Further, 40 and 41 are insulating plates made of synthetic resin or the like, which are formed in a substantially U-shape, and which extend along at least the bottom surface and the upper surface of the inner peripheral surfaces of the lower case member 2 and the upper case member 3 to form the circuit board The insulating plates 40 and 41 are provided so as to cover each of the elements and the elements mounted on the front and back surfaces of the circuit board 8 and the lower case member 2 and the upper case member 3, respectively. The insulating distance from the case members 2 and 3 is maintained. Further, recesses 42, 43 are formed at both ends of the both insulating plates 40, 41 so as to face the mounting portions 6 formed at both ends of the case members 2, 3 and the notch recess 7, respectively. In addition, the insulating plate 40 attached to the inner surface of the lower case member 2 has openings 44, 44 at positions facing the fixing pieces 16, 16 of the heat dissipation plate 13.
Are formed.
なお、前記のインバータトランス21はコンデンサとイ
ンバータトランス21の一次コイル23aとにて形成される
共振回路の共振動作で、一次コイル23aに励磁電流が流
れ、磁気エネルギーが二次コイル23bに供給される。The above-mentioned inverter transformer 21 is a resonance operation of a resonance circuit formed by a capacitor and a primary coil 23a of the inverter transformer 21, an exciting current flows through the primary coil 23a, and magnetic energy is supplied to the secondary coil 23b. .
次に、この実施例の作用を説明する。 Next, the operation of this embodiment will be described.
下ケース部材２と上ケース部材３にて形成される筒状
ケース１内に収納した回路基板８のインバータ点灯回路
素子とケース１の内面との間には絶縁板40,41が介在さ
れているため、インバータ回路素子とケース１の内面と
が近接されてもインバータ点灯回路とケース１との絶縁
距離が保持され、しかも、端子台9,10が回路基板８の両
端に配設されているため、全体を薄形化が可能となり、
放電灯点灯装置の薄形、小形化が図れる。Insulating plates 40 and 41 are interposed between the inverter lighting circuit element of the circuit board 8 housed in the cylindrical case 1 formed by the lower case member 2 and the upper case member 3 and the inner surface of the case 1. Therefore, even if the inverter circuit element and the inner surface of the case 1 are brought close to each other, the insulation distance between the inverter lighting circuit and the case 1 is maintained, and the terminal blocks 9 and 10 are arranged at both ends of the circuit board 8. , It is possible to make the whole thinner,
The discharge lamp lighting device can be made thin and compact.
インバータトランス21のフェライトコア22が回路基板
８の挿通孔20に挿通されているとともにチョークコイル
18も回路基板８の挿通孔20に挿通されているため、回路
基板８の表面上に全体を装着した構成に比しケース１を
扁平薄形に形成でき、全体の高さを低くでき、ケース１
に放熱用開口を形成する必要がないので、塵埃が浸入し
て絶縁不良が生じることが防止される。The ferrite core 22 of the inverter transformer 21 is inserted into the insertion hole 20 of the circuit board 8 and the choke coil
Since 18 is also inserted into the insertion hole 20 of the circuit board 8, the case 1 can be formed to be flat and thin as compared with the configuration in which the whole is mounted on the surface of the circuit board 8. 1
Since it is not necessary to form a heat dissipation opening in the substrate, it is possible to prevent dust from entering and causing insulation failure.
また、ケース１は、下ケース部材２とこの下ケース部
材２に嵌合される上ケース部材３とにて形成し、この両
端部に端子部9,10にて閉塞し、この両端子台9,10に回路
基板８を接続することにより点灯装置の構成が簡単で、
ユニット化が可能となる。さらに、一端側の端子台９に
は電源側電線を接続し他端側の端子台10には負荷側電線
を接続すればよく、配線が容易となる。さらに、電源側
端子台９および負荷側端子台10はそれぞれ外端面に形成
した接続孔12にそれぞれ電源側電線と負荷側電線をそれ
ぞれ差込むことにより鎖錠端子に鎖錠接続でき、配線作
業が容易となる。Further, the case 1 is formed of a lower case member 2 and an upper case member 3 fitted to the lower case member 2 and is closed at both ends with terminal portions 9 and 10. By connecting the circuit board 8 to 10, 10, the structure of the lighting device is simple,
It becomes possible to unitize. Furthermore, it is only necessary to connect the power source side electric wire to the terminal block 9 on one end side and the load side electric wire to the terminal block 10 on the other end side, which facilitates wiring. Furthermore, the power-supply-side terminal block 9 and the load-side terminal block 10 can be connected to the lock terminal by a lock by inserting the power-side wire and the load-side wire into the connection holes 12 formed on the outer end surfaces, respectively, and wiring work can be performed. It will be easy.
また、スイッチング素子のスイッチングトランジスタ
14は回路基板８の略中央部に配設され、ノイズフィルタ
のチョークコイル18およびインダクタ素子のインバータ
トランス21から離して配設され、これらインダクタ素子
の温度上昇の影響を軽減でき、また、チョークコイル18
とインバータトランス21は回路基板８の端部に配設さ
れ、放熱が良好に行われ、スイッチングトランジスタ14
のスイッチング動作が安定し、放電ランプの寿命を短か
くすることがない。また、ノイズフィルタのチョークコ
イル18とコンデンサ19とにより高周波ノイズが電源回路
に流れることを防止できる。Also, the switching transistor of the switching element
The reference numeral 14 is provided in the substantially central portion of the circuit board 8 and is provided away from the choke coil 18 of the noise filter and the inverter transformer 21 of the inductor element, so that the influence of the temperature rise of these inductor elements can be reduced, and the choke coil is also provided. 18
And the inverter transformer 21 are arranged at the end of the circuit board 8 so that heat is radiated well and the switching transistor 14
The switching operation is stable, and the life of the discharge lamp is not shortened. Further, the choke coil 18 and the capacitor 19 of the noise filter can prevent high frequency noise from flowing into the power supply circuit.
また、インバータ点灯回路素子のうち大形素子のコン
デンサ19、電解コンデンサ26,26、抵抗28などは回路基
板８の表面側に長手方向を回路基板８に平行に配設して
接続し、抵抗34、ダイオード35などの小形素子は回路基
板８の裏面側に面実装することにより各素子を接続した
回路基板８の高さを低くできるとともに、回路基板８の
素子装着面積を有効に利用でき、回路基板８に小形にで
きる。さらに、比較的小形の抵抗29、可変抵抗30、フィ
ルムコンデンサ31,31、ダイオード32,32などは放熱板13
の固定片部16に絶縁距離を保持する絶縁板33を介在しつ
つ対向して回路基板８の表面側に装着することにより、
回路基板８の装着面積を有効に利用でき、回路基板８を
より小形にできる。Also, among the inverter lighting circuit elements, the large-sized capacitor 19, electrolytic capacitors 26, 26, resistor 28, etc. are connected on the front surface side of the circuit board 8 with the longitudinal direction arranged parallel to the circuit board 8, and the resistor 34. By mounting the small elements such as the diode 35 on the back surface side of the circuit board 8, the height of the circuit board 8 to which the respective elements are connected can be reduced, and the element mounting area of the circuit board 8 can be effectively used. The substrate 8 can be made small. Furthermore, the relatively small resistor 29, variable resistor 30, film capacitors 31, 31, diodes 32, 32, etc.
By mounting the insulating plate 33 for holding an insulating distance on the fixed piece portion 16 of the circuit board 8 so as to face each other and to be mounted on the front surface side of the circuit board 8,
The mounting area of the circuit board 8 can be effectively used, and the circuit board 8 can be made smaller.
また、回路基板８に接続したインバータ点灯回路のス
イッチングトランジスタ14の放熱板13は絶縁板40の開口
44を挿通して下ケース部材２の内面にねじ15にて固定す
ることにより、回路基板８がケース１が固着されるとと
もに、スイッチングトランジスタ14の放熱が良好とな
り、スイッチングトランジスタ14は安定したスイッチン
グ動作を行い、インバータ点灯回路に接続された放電ラ
ンプには電圧変動のない安定した電流が流れ、ランプ寿
命を短縮することがない。Further, the heat dissipation plate 13 of the switching transistor 14 of the inverter lighting circuit connected to the circuit board 8 has the opening of the insulating plate 40.
By inserting 44 and fixing to the inner surface of the lower case member 2 with the screw 15, the circuit board 8 is fixed to the case 1, and the heat dissipation of the switching transistor 14 is good, so that the switching transistor 14 performs stable switching operation. The discharge lamp connected to the inverter lighting circuit carries a stable current without voltage fluctuation, and the lamp life is not shortened.
なお、具体的には、ケース１の厚みは20mm程度とする
ことができる。In addition, specifically, the thickness of the case 1 can be about 20 mm.
また、前記実施例では、ケース１は下ケース部材２と
上ケース部材３とにて構成したが、このケースは筒状に
一体形成のケースとすることもできる。Further, in the above-mentioned embodiment, the case 1 is composed of the lower case member 2 and the upper case member 3, but the case may be a case integrally formed in a tubular shape.
また、インバータ点灯回路のインダクタ素子はインバ
ータトランス21に限られるものではなく、チョークコイ
ルとすることもできる。Further, the inductor element of the inverter lighting circuit is not limited to the inverter transformer 21, and may be a choke coil.
（発明の効果） 請求項１記載の放電灯点灯装置によれば、筒状ケース
内にインバータ点灯回路素子を装着した回路基板を収納
し、この回路基板の両端にインバータ点灯回路に接続さ
れた端子台を設け、この回路基板を覆いケースの内面の
少くとも底面部および上面部に沿ってインバータ点灯回
路とケースとの絶縁を保持する絶縁板を配設したので、
インバータ回路素子とケースとが近接されてもインバー
タ点灯回路の絶縁距離が保持され、しかも、端子台が回
路基板の両端が配設されているため、全体の薄形化が可
能となり、放電灯点灯装置の薄形、小形化が図れ、器具
の薄形化が容易となる。(Effect of the invention) According to the discharge lamp lighting device of the first aspect, the circuit board on which the inverter lighting circuit element is mounted is housed in the cylindrical case, and the terminals connected to the inverter lighting circuit are provided at both ends of the circuit board. Since a table is provided and an insulating plate for covering the circuit board and arranging insulation between the inverter lighting circuit and the case is arranged along at least the bottom surface and the upper surface of the inner surface of the case,
Even if the inverter circuit element and case are placed close to each other, the insulation distance of the inverter lighting circuit is maintained, and since the terminal block has both ends of the circuit board, it is possible to reduce the overall thickness and discharge lamp lighting. The device can be thinned and downsized, and the device can be easily thinned.
さらに、インバータ点灯回路素子のうち、大形素子を
回路基板の表面側にその大形素子の長手方向を回路基板
に平行に配設して実装し、小形素子を回路基板の裏面側
に面実装するので、各素子を接続した回路基板の高さを
低くでき、全体の薄形化が可能となり、しかも、回路基
板の素子装着面積を有効に利用でき、回路基板を小形に
できる。Furthermore, among the inverter lighting circuit elements, large elements are mounted on the front side of the circuit board with the longitudinal direction of the large elements arranged parallel to the circuit board, and small elements are surface-mounted on the back side of the circuit board. As a result, the height of the circuit board to which each element is connected can be reduced, the overall thickness can be reduced, and moreover, the element mounting area of the circuit board can be effectively utilized, and the circuit board can be downsized.
請求項２記載の放電灯点灯装置によれば、請求項１記
載の放電灯点灯装置の効果に加えて、回路基板に接続し
たインバータ点灯回路のスイッチング素子の放熱板は絶
縁板の開口を挿通してケースの内面に固定したので、ス
イッチング素子の放熱が良好となり、スイッチング素子
は安定したスイッチング動作を行い、インバータ点灯回
路に接続された放電ランプには安定して電流が流れ、ラ
ンプ寿命を短くすることがなく所要の寿命を維持でき
る。According to the discharge lamp lighting device of claim 2, in addition to the effect of the discharge lamp lighting device of claim 1, the heat dissipation plate of the switching element of the inverter lighting circuit connected to the circuit board is inserted through the opening of the insulating plate. Since it is fixed to the inner surface of the case, heat dissipation of the switching element is good, the switching element performs a stable switching operation, and a stable current flows through the discharge lamp connected to the inverter lighting circuit, shortening the lamp life. The required life can be maintained without any.
請求項３記載の放電灯点灯装置によれば、請求項１記
載の放電灯点灯装置の効果に加えて、回路基板に接続し
た一端側の端子台は電源側接続端子台とするとともに他
端側の端子台は負荷側接続端子台とし、この回路基板の
略中央部にインバータ点灯回路のスイッチング素子を配
設し、一端側に電源側とインバータ回路との間に接続さ
れるノイズフィルタを配設し、他端側にインバータ点灯
回路のインダクタ素子を配設したので、一端側の端子台
には電源側電線を接続し他端側の端子台には負荷側電線
を接続すればよく、配線が容易となり、スイッチング素
子は、ノイズフィルタおよびインダクタ素子の温度上昇
の影響を受けることがなく、また、ノイズフィルタおよ
びインダクタ素子は端部に配設され、放熱が良好に行わ
れ、スイッチング素子のスイッチング動作が安定し、放
電ランプは寿命が短くなることがない。According to the discharge lamp lighting device of claim 3, in addition to the effect of the discharge lamp lighting device of claim 1, the terminal block on one end side connected to the circuit board serves as a power supply side connection terminal block and the other end side. The terminal block of is the connection terminal block on the load side, the switching element of the inverter lighting circuit is installed in the approximate center of this circuit board, and the noise filter connected between the power supply side and the inverter circuit is installed on one end side. Since the inductor element of the inverter lighting circuit is arranged on the other end side, the power supply side electric wire can be connected to the terminal block on one end side and the load side electric wire can be connected to the terminal block on the other end side. Since the switching element is not affected by the temperature rise of the noise filter and the inductor element, and the noise filter and the inductor element are arranged at the ends, good heat dissipation is achieved and the switching element is The switching operation is stabilized, the discharge lamp is never life is shortened.
請求項４記載の放電灯点灯装置によれば、請求項３記
載の放電灯点灯装置の効果に加えて、インダクタ素子の
コアは回路基板に形成した挿通孔に挿通したので、全体
の高さを低くでき、またケースに開口を形成していない
ので、所要の寿命を維持し、さらに、開口から塵埃が浸
入して絶縁不良が生じることもない。According to the discharge lamp lighting device of the fourth aspect, in addition to the effect of the discharge lamp lighting device of the third aspect, since the core of the inductor element is inserted into the insertion hole formed in the circuit board, the overall height is reduced. It can be made low, and since the case is not formed with an opening, the required life is maintained, and further, dust does not enter from the opening and insulation failure does not occur.
請求項５記載の放電灯点灯装置によれば、請求項３記
載の放電灯点灯装置の効果を加えて、電源側端子台およ
び負荷側端子台はそれぞれ外端面に内側に鎖錠端子を配
設した接続孔を形成したので、電源側端子台および負荷
側端子台はそれぞれ外端面に形成した接続孔にそれぞれ
電源側電線と負荷側電線を差込むことにより鎖錠端子に
接続でき、配線作業が容易となる。According to the discharge lamp lighting device of the fifth aspect, in addition to the effect of the discharge lamp lighting device of the third aspect, the power supply side terminal block and the load side terminal block are each provided with a locking terminal inside on the outer end face. Since the connection holes are formed, the power supply side terminal block and the load side terminal block can be connected to the lock terminal by inserting the power supply side electric wire and the load side electric wire into the connection holes formed on the outer end surface, respectively. It will be easy.
第１図は本発明の一実施例を示す放電灯点灯装置の分解
斜視図、第２図は同上縦断正面図、第３図は同上拡大横
断側面図である。 １……ケース、８……回路基板、9,10……端子台、12…
…接続孔、13……放熱板、14……スイッチング素子とし
てのスイッチングトランジスタ、18……ノイズフィルタ
のチョークコイル、19……ノイズフィルタのコンデン
サ、20……挿通孔、21……インダクタ素子のインバータ
トランス、22……インバータトランス21のコア、26……
大形素子のコンデンサ、34……小形素子の抵抗、35……
小形素子のダイオード、40,41……絶縁板。FIG. 1 is an exploded perspective view of a discharge lamp lighting device showing an embodiment of the present invention, FIG. 2 is a vertical sectional front view of the same, and FIG. 3 is an enlarged transverse side view of the same. 1 ... Case, 8 ... Circuit board, 9,10 ... Terminal block, 12 ...
... Connection hole, 13 ... Heat sink, 14 ... Switching transistor as switching element, 18 ... Noise filter choke coil, 19 ... Noise filter capacitor, 20 ... Insertion hole, 21 ... Inductor element inverter Transformer, 22 …… Inverter Transformer 21 core, 26 ……
Large element capacitor, 34 …… Small element resistance, 35 ……
Small element diode, 40, 41 ... Insulation plate.
Claims (5)
装された回路基板と、 この回路基本板の両端にそれぞれ設けられ、前記インバ
ータ点灯回路に接続された端子台と、 前記回路基板を覆い前記ケースの内周面の少くとも底面
部および上面部に沿って配設され、前記インバータ点灯
回路とケースとの絶縁を保持する絶縁板とを備え、 前記インバータ点灯回路素子のうち、大形素子が前記回
路基板の表面側にその大形素子の長手方向を回路基板に
平行に配設して実装され、小形素子が回路基板の裏面側
に面実装された ことを特徴とする放電灯点灯装置。1. A tubular case, a circuit board housed in the case, on which an inverter lighting circuit element is mounted, and terminal blocks provided at both ends of the circuit basic plate and connected to the inverter lighting circuit. And an insulating plate that covers the circuit board and is disposed along at least a bottom surface portion and an upper surface portion of the inner peripheral surface of the case, and holds an insulation between the inverter lighting circuit and the case. Among the elements, the large-sized element was mounted on the front surface side of the circuit board with the longitudinal direction of the large-sized element arranged parallel to the circuit board, and the small element was surface-mounted on the back surface side of the circuit board. Characteristic discharge lamp lighting device.
スイッチング素子の放熱板は絶縁板の開口を挿通してケ
ースの内面に固定した ことを特徴とする請求項１に記載の放電灯点灯装置。2. The discharge lamp lighting device according to claim 1, wherein the heat dissipation plate of the switching element of the inverter lighting circuit connected to the circuit board is fixed to the inner surface of the case by inserting the opening of the insulating plate.
側接続端子台とするとともに他端側の端子台は負荷側接
続端子台とし、 前記回路基板の略中央部にインバータ点灯回路のスイッ
チング素子を配設し、一端側に電源側とインバータ回路
との間に接続されるノイズフィルタを配設し、他端側に
インバータ点灯回路のインダクタ素子を配設した ことを特徴とする請求項１に記載の放電灯点灯装置。3. A terminal block on one end side connected to the circuit board is a connection terminal block on the power source side, and a terminal block on the other end side is a connection terminal block on the load side, and an inverter lighting circuit is provided at a substantially central portion of the circuit board. A switching element is provided, a noise filter connected between the power supply side and the inverter circuit is provided at one end side, and an inductor element of the inverter lighting circuit is provided at the other end side. The discharge lamp lighting device according to 1.
た挿通孔に挿通して回路基板に保持した ことを特徴とした請求項３に記載の放電灯点灯装置。4. The discharge lamp lighting device according to claim 3, wherein the core of the inductor element is inserted into an insertion hole formed in the circuit board and held on the circuit board.
れ外端面に内側に鎖錠端子を配設した接続孔を形成した ことを特徴とした請求項３に記載の放電灯点灯装置。5. The discharge lamp lighting device according to claim 3, wherein each of the power supply side terminal block and the load side terminal block has a connection hole on the outer end surface thereof, in which a locking terminal is arranged inside.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2173884A JP2567974B2 (en) | 1990-06-30 | 1990-06-30 | Discharge lamp lighting device |
| US07/644,432 US5124888A (en) | 1990-01-25 | 1991-01-22 | Electric circuit apparatus |
| EP19910100765 EP0439122A3 (en) | 1990-01-25 | 1991-01-22 | Electric circuit apparatus |
| KR1019910001285A KR950000802B1 (en) | 1990-01-25 | 1991-01-25 | Electric circuit apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2173884A JP2567974B2 (en) | 1990-06-30 | 1990-06-30 | Discharge lamp lighting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0462712A JPH0462712A (en) | 1992-02-27 |
| JP2567974B2 true JP2567974B2 (en) | 1996-12-25 |
Family
ID=15968900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2173884A Expired - Fee Related JP2567974B2 (en) | 1990-01-25 | 1990-06-30 | Discharge lamp lighting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2567974B2 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005353403A (en) * | 2004-06-10 | 2005-12-22 | Asahi Matsushita Electric Works Ltd | Lighting apparatus |
| JP4781961B2 (en) * | 2006-10-05 | 2011-09-28 | 三菱電機株式会社 | Electronic device and lighting apparatus |
| JP5429999B2 (en) * | 2010-05-26 | 2014-02-26 | パナソニック株式会社 | lighting equipment |
| JP2016193079A (en) * | 2015-03-31 | 2016-11-17 | 株式会社大一商会 | Game machine |
| JP2016193078A (en) * | 2015-03-31 | 2016-11-17 | 株式会社大一商会 | Game machine |
| JP2017056339A (en) * | 2016-12-28 | 2017-03-23 | 株式会社大一商会 | Game machine |
| JP2020021614A (en) * | 2018-07-31 | 2020-02-06 | パナソニックＩｐマネジメント株式会社 | Power supply device and lighting device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59173364U (en) * | 1983-05-04 | 1984-11-19 | 富士通テン株式会社 | Part mounting diagram display |
| JPS6074304A (en) * | 1983-09-30 | 1985-04-26 | 東芝テック株式会社 | Device for firing discharge lamp |
| US4729740A (en) * | 1986-12-12 | 1988-03-08 | Amp Incorporated | Fluorescent ballast having integral connector |
| JPH0178090U (en) * | 1987-11-13 | 1989-05-25 | ||
| JPH0521775Y2 (en) * | 1988-09-12 | 1993-06-04 |
-
1990
- 1990-06-30 JP JP2173884A patent/JP2567974B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0462712A (en) | 1992-02-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |