JPH09298011A - Inverter lighting device - Google Patents
Inverter lighting deviceInfo
- Publication number
- JPH09298011A JPH09298011A JP8109383A JP10938396A JPH09298011A JP H09298011 A JPH09298011 A JP H09298011A JP 8109383 A JP8109383 A JP 8109383A JP 10938396 A JP10938396 A JP 10938396A JP H09298011 A JPH09298011 A JP H09298011A
- Authority
- JP
- Japan
- Prior art keywords
- circuit board
- transformer
- choke
- lighting device
- inverter lighting
- 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
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K1/00—Printed circuits
- H05K1/18—Printed circuits structurally associated with non-printed electric components
Landscapes
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
- Circuit Arrangements For Discharge Lamps (AREA)
- Discharge Lamps And Accessories Thereof (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、放電灯を高周波で
点灯させるインバ−タ点灯装置に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an inverter lighting device for lighting a discharge lamp at a high frequency.
【０００２】[0002]
【従来の技術】従来のインバ−タ点灯装置を図５ないし
図７を参照して説明する。2. Description of the Related Art A conventional inverter lighting device will be described with reference to FIGS.
【０００３】図５は照明器具とこの照明器具内に収納さ
れるインバ−タ点灯装置を示す斜視図で、インバ−タ点
灯装置１０を収納する照明器具５は、下方開口した断面
略コ字状をした細長形状の器具本体６と、この器具本体
６の両端下方にそれぞれ装着されたランプソケット取付
部８，８とから構成されている。このランプソケット取
付部８，８の内面両側には、図示しない放電灯が装着さ
れるランプソケット７，７がそれぞれ対向して取付けら
れている。なお、器具本体６の下方開口を塞ぐカバ−
（図示せず）が取付ねじ（図示せず）で器具本体６に固
定されている。FIG. 5 is a perspective view showing a lighting fixture and an inverter lighting device accommodated in the lighting fixture. The lighting fixture 5 accommodating the inverter lighting device 10 has a substantially U-shaped cross section with a downward opening. The instrument main body 6 has an elongated shape, and the lamp socket mounting portions 8 are attached to the lower ends of the instrument main body 6, respectively. Lamp sockets 7, 7 to which discharge lamps (not shown) are mounted are mounted on both sides of the inner surfaces of the lamp socket mounting portions 8, 8 so as to face each other. A cover for closing the lower opening of the instrument body 6
(Not shown) is fixed to the instrument body 6 with a mounting screw (not shown).
【０００４】細長形状をしたインバ−タ点灯装置１０
は、図示しない方法で器具本体６内に固定される。Inverter lighting device 10 having an elongated shape
Is fixed in the instrument body 6 by a method not shown.
【０００５】図６および図７は高周波で放電灯を点灯す
るインバ−タ点灯装置を示すもので、これらインバ−タ
点灯装置１０の回路には、必ず、トランス又はチョ−ク
が昇圧用又は限流素子として使用されている。6 and 7 show an inverter lighting device for lighting a discharge lamp at a high frequency. In the circuit of these inverter lighting devices 10, a transformer or a choke is always used for boosting or limiting. It is used as a flow element.
【０００６】図６はトランスを使用したインバ−タ点灯
装置１０ａを示すもので、金属製のケ−ス２０は、下方
開口した細長形状をした略船状の金属製カバ−２１と、
細長の板状をした金属製底板２２とから構成され、この
ケ−ス２０内には、電気部品である抵抗１２、トランジ
スタ１３、コンデンサ１４およびトランス１６などが回
路基板１１上に実装され、半田付されている。回路基板
１１と金属製底板２２との間には、ルミラ−シ−トなど
からなる絶縁紙１５が図示しない方法で固定され、回路
基板１１上に実装されたトランジスタ１３などの電気部
品と金属製底板２２との導電を防止している。FIG. 6 shows an inverter lighting device 10a using a transformer, in which a metal case 20 is an elongated ship-like metal cover 21 having a downward opening.
The case 20 is composed of an elongated plate-shaped metal bottom plate 22. Inside the case 20, resistors 12, which are electric parts, a transistor 13, a capacitor 14, a transformer 16 and the like are mounted on the circuit board 11 and soldered. It is attached. Between the circuit board 11 and the bottom plate 22 made of metal, an insulating paper 15 made of Lumilar sheet or the like is fixed by a method not shown, and electrical components such as the transistor 13 mounted on the circuit board 11 and metal parts are made of metal. Conduction with the bottom plate 22 is prevented.
【０００７】図７はチョ−クを使用したインバ−タ点灯
装置１０ｂを示すもので、回路基板１１上には電気部品
である抵抗１２、トランジスタ１３、コンデンサ１４お
よびチョ−ク１７などが実装され、半田付けされたもの
である。その他構成は図６と同様である。FIG. 7 shows an inverter lighting device 10b using a choke, on which a resistor 12, a transistor 13, a capacitor 14 and a choke 17 which are electric parts are mounted on a circuit board 11. , Soldered. Other configurations are the same as those in FIG.
【０００８】[0008]
【発明が解決しようとする課題】上記のように従来のイ
ンバ−タ点灯装置１０の回路基板１１上には、コンデン
サ１４、抵抗１２などの電気部品と昇圧用や限流素子と
してのトランス１６又はチョ−ク１７とが実装され、半
田付けされている。前記昇圧用や限流素子としてのトラ
ンス１６又はチョ−ク１７は外観が大きいため、実装面
積を多く必要とする。さらに、トランス１６又はチョ−
ク１７と回路基板１１との隙間が狭いため抵抗などの電
気部品を実装するこができなかった。また、照明器具の
性能アップに伴い回路基板上に実装する電気部品の点数
が多くなり、回路基板の長さが長くなるという問題があ
った。As described above, on the circuit board 11 of the conventional inverter lighting device 10, electric components such as the capacitor 14 and the resistor 12 and the transformer 16 as a step-up or current limiting element, or The choke 17 is mounted and soldered. Since the transformer 16 or the choke 17 as the booster or the current limiting element has a large external appearance, it requires a large mounting area. Furthermore, transformer 16 or cho
Since the gap between the board 17 and the circuit board 11 is narrow, electrical parts such as resistors could not be mounted. Further, there has been a problem that the number of electric components mounted on the circuit board increases and the length of the circuit board increases as the performance of the luminaire increases.
【０００９】細長形状の照明器具では、回路基板が長く
なり、長手方向に発生するソリの量が大きくなる。ソリ
の量が大きくなると、電気部品および電気部品の回路基
板への半田付け部にストレスがかかるなど、インバ−タ
点灯装置の信頼性に問題があった。In the elongated lighting fixture, the circuit board becomes long, and the amount of warp generated in the longitudinal direction becomes large. When the amount of warp becomes large, there is a problem in reliability of the inverter lighting device such that stress is applied to an electric component and a soldering portion of the electric component to a circuit board.
【００１０】本発明は上記の点に鑑みてなされたもの
で、実装効率および信頼性の向上を可能とするインバ−
タ点灯装置を提供することを課題とする。The present invention has been made in view of the above points, and is an inverter capable of improving mounting efficiency and reliability.
It is an object to provide a lighting device.
【００１１】[0011]
【課題を解決するための手段】前記課題を達成するため
に、本発明のインバ−タ点灯装置は、コンデンサなどの
電気部品と昇圧用や限流素子としてのトランス又はチョ
−クが実装された回路基板を金属製のケ−ス内に収納し
たインバ−タ点灯装置において、前記回路基板上の前記
トランス又はチョ−クの下方に実装空間を設け、この実
装空間に前記電気部品の一部を実装したことを特徴とす
るものである。In order to achieve the above object, the inverter lighting device of the present invention is provided with an electric component such as a capacitor and a transformer or a choke as a booster or a current limiting element. In an inverter lighting device in which a circuit board is housed in a metal case, a mounting space is provided below the transformer or choke on the circuit board, and a part of the electric component is placed in the mounting space. It is characterized by being implemented.
【００１２】上記の構成において、トランス又はチョ−
クと回路基板との間に実装空間を設け、この実装空間
に、回路基板に実装するコンデンサやトランジスタなど
の電気部品の一部を配置し、これら電気部品を回路基板
に実装してインバ−タ点灯装置を構成するものである。In the above structure, a transformer or a cho
A mounting space is provided between the circuit board and the circuit board, and some of the electric components such as capacitors and transistors to be mounted on the circuit board are placed in this mounting space. It constitutes a lighting device.
【００１３】[0013]
【発明の実施の形態】以下、図１ないし図４を参照して
本発明の実施の形態を説明する。なお、従来技術と同一
の構成部品は同一番号を付して説明する。BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to FIGS. Note that the same components as in the related art will be described with the same reference numerals.
【００１４】図１は金属製のケ−ス２０内に電気部品が
実装された回路基板１１が収納されている。この金属製
のケ−ス２０は、下方開口した略船形状をした金属製の
カバ−２１と、このカバ−２１の下方開口に装着される
金属製の底板２２とから構成され、このカバ−２１は底
板２２に、図示しない締結方法で連結されている。さら
に、回路基板１１と金属製の底板２２との間は、ルミラ
−シ−トなどからなる絶縁紙１５で絶縁されている。In FIG. 1, a circuit board 11 on which electrical components are mounted is housed in a metal case 20. The metal case 20 is composed of a substantially ship-shaped metal cover 21 having a downward opening, and a metal bottom plate 22 attached to the downward opening of the cover 21. 21 is connected to the bottom plate 22 by a fastening method not shown. Further, the circuit board 11 and the metal bottom plate 22 are insulated from each other by an insulating paper 15 such as a lumir sheet.
【００１５】２５は昇圧用や限流素子として使用される
回路基板１１上に実装される大形のトランスで、図２は
トランスのボビンを示す正面図である。Reference numeral 25 is a large transformer mounted on the circuit board 11 used for boosting or as a current limiting element. FIG. 2 is a front view showing a bobbin of the transformer.
【００１６】ボビン２６は絶縁材料からなるとともに、
両端にそれぞれ鍔部２９，２９を有する１次コイルが巻
回される１次コイル巻回部２７と両端にそれぞれ鍔部２
９，２９を有する２次コイルが巻回される２次コイル巻
回部２８とが隣合って形成されているとともに、１次コ
イル巻回部２７と２次コイル巻回部２８の中心部には、
断面略矩形状をした積層鉄心挿入孔３０が形成されてい
る。さらに、両端に形成された鍔部２９ａ，２９ａの下
方から外方にリ−ドピン取付台３１，３１が突出形成さ
れている。これらリ−ドピン取付台３１，３１の下面か
ら下方に向って導電材からなるリ−ドピン３２，３２が
それぞれ突出形成されている。The bobbin 26 is made of an insulating material and
A primary coil winding portion 27 around which a primary coil having collar portions 29, 29 at both ends is wound, and a collar portion 2 at each end.
A secondary coil winding part 28 around which a secondary coil having 9, 29 is wound is formed adjacent to each other, and at the center of the primary coil winding part 27 and the secondary coil winding part 28. Is
A laminated core insertion hole 30 having a substantially rectangular cross section is formed. Further, lead pin mounts 31, 31 are formed so as to project outward from below the collar portions 29a, 29a formed at both ends. Lead pins 32, 32 made of a conductive material are formed so as to project downward from the lower surfaces of the lead pin mounts 31, 31.
【００１７】上記ボビン２６の下方両端にそれぞれ埋込
形成されたリ−ドピン３２，３２に沿った内側には、リ
−ドピン３２，３２より短い支持片部３３，３３が対向
してそれぞれ設けられている。Support pieces 33, 33 shorter than the lead pins 32, 32 are provided facing each other inside the lead pins 32, 32 embedded in the lower ends of the bobbin 26, respectively. ing.
【００１８】トランスの組立て方法を説明する。A method for assembling the transformer will be described.
【００１９】最初に、上記ボビン２６の１次コイル巻回
部２７と２次コイル巻回部２８にそれぞれ１次コイルお
よび２次コイルを巻回して１次巻線３４と２次巻線３５
とを形成する。つぎに、１次巻線３４および２次巻線３
５を囲うように、積層鉄心挿入孔３０に一対のＥ形積層
鉄心３６，３６をそれぞれ嵌合挿入し、最後に、これら
Ｅ形積層鉄心３６，３６の外周面にテ−プ３７で巻付け
て、一対のＥ形積層鉄心３６，３６同志を固する。First, a primary coil and a secondary coil are wound around the primary coil winding portion 27 and the secondary coil winding portion 28 of the bobbin 26, respectively, to form a primary winding 34 and a secondary winding 35.
And are formed. Next, the primary winding 34 and the secondary winding 3
5, a pair of E-shaped laminated iron cores 36, 36 are fitted and inserted into the laminated iron core insertion holes 30, respectively, and finally, wrapped around the outer peripheral surfaces of these E-shaped laminated iron cores 36, 36 with a tape 37. Then, the pair of E-shaped laminated cores 36, 36 are fixed.
【００２０】電気部品およびトランスの回路基板上への
実装方法を説明する。A method of mounting the electric components and the transformer on the circuit board will be described.
【００２１】コンデンサ１４、抵抗１２およびトランジ
スタ１３を回路基板１１に半田付けで実装する。つぎ
に、トランス２５を回路基板１１上に実装する前に、ト
ランス２５と回路基板１１との間に形成される実装空間
３８に収納可能な高さを有する、例えば抵抗３９やトラ
ンジスタ４０などの電気部品を回路基板１１上に半田付
けで実装する。その後、トランス２５を回路基板１１上
に半田付けで実装する。電気部品およびトランス２５を
実装した回路基板１１を金属製の底板２２内に絶縁紙１
５を介して収納し、カバ−２１を底板２２に取付ける。The capacitor 14, the resistor 12 and the transistor 13 are mounted on the circuit board 11 by soldering. Next, before mounting the transformer 25 on the circuit board 11, an electrical device such as a resistor 39 or a transistor 40 having a height that can be stored in a mounting space 38 formed between the transformer 25 and the circuit board 11 is provided. The components are mounted on the circuit board 11 by soldering. After that, the transformer 25 is mounted on the circuit board 11 by soldering. The circuit board 11 on which the electrical parts and the transformer 25 are mounted is placed on the bottom plate 22 made of metal and the insulating paper 1
Then, the cover 21 is attached to the bottom plate 22.
【００２２】図３は昇圧用や限流素子として使用される
チヨ−クを回路基板上に半田付けで実装したもので、図
４はチヨ−クのボビンを示すものである。FIG. 3 shows a chock used for boosting or as a current limiting element mounted on a circuit board by soldering, and FIG. 4 shows a bobbin of the chock.
【００２３】ボビン４６は絶縁材料からなるとともに、
上下両端にそれぞれ鍔部４７，４７を有するコイルが巻
回されるコイル巻回部４８が形成されるとともに、この
コイル巻回部４８の上下方向に、断面略矩形状をした積
層鉄心挿入孔４９が形成されている。さらに、下方に形
成された鍔部４７の下面から下方に向けて導電材からな
るリ−ドピン３２，３２がそれぞれ突出形成されてい
る。The bobbin 46 is made of an insulating material and
A coil winding portion 48 is formed around which coils having flanges 47, 47 are formed at both upper and lower ends, and a laminated iron core insertion hole 49 having a substantially rectangular cross section is formed in the vertical direction of the coil winding portion 48. Are formed. Further, lead pins 32, 32 made of a conductive material are formed so as to protrude downward from the lower surface of the flange portion 47 formed below.
【００２４】上記ボビン２６の下方両側にそれぞれ埋込
形成されたリ−ドピン３２，３２に沿った内側に、リ−
ドピン３２，３２より短い支持片部３３，３３が対向し
てそれぞれ設けられている。The lead pins 32, 32 are embedded in the lower side of the bobbin 26, respectively.
Support piece portions 33, 33 shorter than the pin pins 32, 32 are provided facing each other.
【００２５】トランスの組立て方法を説明する。A method of assembling the transformer will be described.
【００２６】上記ボビン４６のコイル巻回部４８にコイ
ルを巻回して巻線５０を形成し、この巻線５０を囲うよ
うに、積層鉄心挿入孔４９に一対のＥ形積層鉄心５１，
５１をそれぞれ嵌合挿入し、これらＥ形積層鉄心５１，
５１の外周面にテ−プ３７で巻付けて、一対のＥ形積層
鉄心５１，５１同志を固定する。A coil is wound around the coil winding portion 48 of the bobbin 46 to form a winding 50, and a pair of E-shaped laminated cores 51, 51 are formed in the laminated core insertion hole 49 so as to surround the winding 50.
51 are respectively fitted and inserted, and these E-shaped laminated iron cores 51,
A tape 37 is wound around the outer peripheral surface of 51 to fix the pair of E-shaped laminated cores 51, 51.
【００２７】電気部品およびチヨ−クの回路基板上への
実装方法を説明する。A method of mounting the electric components and the chuck on the circuit board will be described.
【００２８】最初に、コンデンサ１４、抵抗１２および
トランジスタ１３を回路基板１１に半田付けで実装す
る。つぎに、チョ−ク４５を回路基板１１上に実装する
前に、チョ−ク４５と回路基板１１との間に形成される
実装空間５２に収納可能な高さを有する例えば抵抗３９
やトランジスタ４０などの電気部品を回路基板１１上に
実装した後、チョ−ク４５を回路基板１１上に実装す
る。First, the capacitor 14, the resistor 12 and the transistor 13 are mounted on the circuit board 11 by soldering. Next, before mounting the choke 45 on the circuit board 11, for example, a resistor 39 having a height that can be accommodated in a mounting space 52 formed between the choke 45 and the circuit board 11.
After mounting electrical components such as a transistor and a transistor 40 on the circuit board 11, the choke 45 is mounted on the circuit board 11.
【００２９】電気部品およびチョ−ク４５を実装した回
路基板１１を金属製の底板２２内に絶縁紙１５を介して
収納し、カバ−２１を底板２２に取付ける。The circuit board 11 on which the electric parts and the choke 45 are mounted is housed in the metal bottom plate 22 through the insulating paper 15, and the cover -21 is attached to the bottom plate 22.
【００３０】なお、チョ−ク４５およびトランス２５の
回路基板１１への実装は、チョ−ク４５およびトランス
２５に形成された支持部材３３を回路基板１１に突き当
て、チョ−ク４５およびトランス２５の下方に実装空間
５２を形成した構造で説明したが、チョ−ク４５および
トランス２５に支持部材３３を形成することなく、実装
空間５２が形成されるように、リ−ドピン３２，３２の
みでチョ−ク４５およびトランス２５の高さを決め、リ
−ドピン３２，３２を回路基板１１に半田付けしたもの
でもよい。To mount the choke 45 and the transformer 25 on the circuit board 11, the support member 33 formed on the choke 45 and the transformer 25 is abutted against the circuit board 11, and the choke 45 and the transformer 25 are mounted. Although the structure in which the mounting space 52 is formed below is described, only the lead pins 32 and 32 are formed so that the mounting space 52 is formed without forming the support member 33 in the choke 45 and the transformer 25. Alternatively, the height of the choke 45 and the transformer 25 may be determined and the lead pins 32, 32 may be soldered to the circuit board 11.
【００３１】トランス２５またはチョ−ク４５の下方に
形成された実装空間３８，５２に、抵抗やトランジスタ
などの電気部品を実装する代わりに、トランス２５また
はチョ−ク４５の温度を回路的に検知する感温素子を使
用したものでもよい。即ち、コンデンサなどの電気部品
と昇圧用や限流素子としてのトランス又はチョ−クが実
装された回路基板を金属製のケ−ス内に収納したインバ
−タ点灯装置において、前記トランス又はチョ−クの下
方に前記電気部品の一部および前記トランス又はチョ−
クの温度を検知する感温素子を実装可能に形成した実装
空間を設け、この実装空間に前記電気部品の一部および
前記感温素子を配置し前記回路基板に実装したことを構
成要件とするインバ−タ点灯装置では、トランス又はチ
ョ−クのコイルの直下に温度を回路的に検知する感温素
子を配置するため、検知温度にバラッキが少なく正確に
トランス又はチョ−クのコイルの温度を検知することが
てできる。更に、感温素子をトランス又はチョ−クのコ
イルに接触させて、回路基板１１に実装すれば、より正
確にトランス又はチョ−クのコイルの温度を検知できる
ことは勿論である。Instead of mounting electrical parts such as resistors and transistors in the mounting spaces 38 and 52 formed below the transformer 25 or the choke 45, the temperature of the transformer 25 or the choke 45 is detected by a circuit. It is also possible to use a temperature sensitive element. That is, in an inverter lighting device in which an electric component such as a capacitor and a circuit board on which a transformer or a choke for boosting or a current limiting element is mounted are housed in a metal case, the transformer or choke is used. A part of the electric component and the transformer or cho
There is provided a mounting space formed so that a temperature sensitive element for detecting the temperature of the battery can be mounted, and a part of the electric component and the temperature sensitive element are arranged in the mounting space and mounted on the circuit board. In the inverter lighting device, the temperature sensing element for detecting the temperature in a circuit is arranged just below the transformer or choke coil, so that the temperature of the transformer or choke coil can be accurately measured with little variation. It can be detected. Further, if the temperature sensitive element is brought into contact with the transformer or choke coil and mounted on the circuit board 11, the temperature of the transformer or choke coil can be detected more accurately.
【００３２】上記実施の形態の作用を説明する。The operation of the above embodiment will be described.
【００３３】トランス又はチョ−クとプリント基板との
間に実装空間を設け、この実装空間に、回路基板に実装
するコンデンサやトランジスタなどの電気部品の一部を
配置し、これら電気部品を回路基板に実装してインバ−
タ点灯装置を構成するものである。そこで、従来、コン
デンサなどの電気部品を実装することがでなかったトラ
ンス又はチョ−クの下方にもコンデンサなどの電気部品
を実装することができ、電気部品の実装効率を向上する
ことができる。そのため、回路基板の小型化が図れると
ともに、インバ−タ点灯装置を取付ける器具本体が細長
形状の場合には、回路基板の細長化を押さえことがで
き、回路基板の長手方向のソリを少なくすることができ
る。A mounting space is provided between the transformer or choke and the printed circuit board, and a part of electric parts such as capacitors and transistors to be mounted on the circuit board are arranged in the mounting space. Mounted on the Inver
A lighting device is configured. Therefore, the electric component such as the capacitor can be mounted below the transformer or the choke where the electric component such as the capacitor has not been conventionally mounted, and the mounting efficiency of the electric component can be improved. Therefore, the circuit board can be downsized, and if the fixture body to which the inverter lighting device is attached is elongated, the circuit board can be prevented from being elongated and warpage in the longitudinal direction of the circuit board can be reduced. You can
【００３４】なお、実装空間に実装する電気部品は、チ
ップ部品であっても、同様な作用、効果を奏する。Even if the electric component mounted in the mounting space is a chip component, the same operation and effect can be obtained.
【００３５】[0035]
【発明の効果】以上詳記したように本発明によれば、イ
ンバ−タ点灯装置において、トランス又はチョ−クの下
方に電気部品の一部を実装可能に形成した実装空間を設
け、この実装空間に電気部品の一部を配置し回路基板に
実装した構成にしたので、回路基板への電気部品の実装
効率を向上することができる。さらに、器具本体が細長
形状の場合には、回路基板の長手方向の長さを短くでき
る。このため、回路基板の長手方向のソリを少なくする
ことができ、インバ−タ点灯装置の信頼性を確保するこ
とができる。As described above in detail, according to the present invention, in the inverter lighting device, a mounting space in which a part of the electric component can be mounted is provided below the transformer or the choke, and the mounting space is formed. Since a part of the electric component is arranged in the space and mounted on the circuit board, the mounting efficiency of the electric component on the circuit board can be improved. Furthermore, when the instrument main body has an elongated shape, the length of the circuit board in the longitudinal direction can be shortened. Therefore, the warp of the circuit board in the longitudinal direction can be reduced, and the reliability of the inverter lighting device can be ensured.
【図１】本発明の第１実施の形態に係るトランスを実装
したインバ−タ点灯装置の構成の一部を示す断面図。FIG. 1 is a sectional view showing a part of the configuration of an inverter lighting device mounted with a transformer according to a first embodiment of the present invention.
【図２】同実施の形態におけるトランスのボビンを示す
正面図。FIG. 2 is a front view showing the bobbin of the transformer according to the same embodiment.
【図３】本発明の第１実施の形態に係るチョ−クを実装
したインバ−タ点灯装置の構成の一部を示す断面図。FIG. 3 is a sectional view showing a part of the configuration of an inverter lighting device having a choke mounted thereon according to the first embodiment of the present invention.
【図４】同上実施の形態におけるチョ−クのボビンを示
す正面図。FIG. 4 is a front view showing the bobbin of the choke according to the embodiment.
【図５】インバ−タ点灯装置が取付けられる一般的な照
明器具とインバ−タ点灯装置を示す斜視図。FIG. 5 is a perspective view showing a general lighting fixture to which an inverter lighting device is attached and an inverter lighting device.
【図６】従来技術に係るトランスを実装したインバ−タ
点灯装置の構成の一部を示す断面図。FIG. 6 is a cross-sectional view showing a part of the configuration of an inverter lighting device mounted with a transformer according to a conventional technique.
【図７】従来技術に係るチョ−クを実装したインバ−タ
点灯装置の構成の一部を示す断面図。FIG. 7 is a cross-sectional view showing a part of the structure of an inverter lighting device having a choke according to a conventional technique mounted therein.
１１…回路基板， ２０…金属製のケ−ス， ２５…トランス， ３８…実装空間， ３９…電気部品（抵抗）， ４０…電気部品（トランジスタ）， ４５…チョ−ク， ５２…実装空間。 11 ... Circuit board, 20 ... Metal case, 25 ... Transformer, 38 ... Mounting space, 39 ... Electrical component (resistor), 40 ... Electrical component (transistor), 45 ... Choke, 52 ... Mounting space.
───────────────────────────────────────────────────── フロントページの続き (51)Int.Cl.6 識別記号 庁内整理番号 ＦＩ 技術表示箇所 Ｈ０５Ｂ 41/24 Ｈ０５Ｂ 41/24 Ａ ─────────────────────────────────────────────────── ─── Continuation of the front page (51) Int.Cl. 6 Identification code Office reference number FI technical display location H05B 41/24 H05B 41/24 A
Claims (1)
素子としてのトランス又はチョ−クが実装された回路基
板を金属製のケ−ス内に収納したインバ−タ点灯装置に
おいて、 前記回路基板上の前記トランス又はチョ−クの下方に実
装空間を設け、 この実装空間に前記電気部品の一部を実装したことを特
徴とするインバ−タ点灯装置。1. An inverter lighting device in which an electric component such as a capacitor and a circuit board on which a transformer or a choke as a voltage boosting element or a current limiting element is mounted are housed in a metal case. An inverter lighting device, characterized in that a mounting space is provided below the transformer or the choke on the substrate, and a part of the electric component is mounted in the mounting space.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8109383A JPH09298011A (en) | 1996-04-30 | 1996-04-30 | Inverter lighting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8109383A JPH09298011A (en) | 1996-04-30 | 1996-04-30 | Inverter lighting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH09298011A true JPH09298011A (en) | 1997-11-18 |
Family
ID=14508857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8109383A Pending JPH09298011A (en) | 1996-04-30 | 1996-04-30 | Inverter lighting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH09298011A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100478303B1 (en) * | 2001-03-30 | 2005-03-24 | 도시바 라이텍쿠 가부시키가이샤 | Electrical apparatus |
| JP2010114029A (en) * | 2008-11-10 | 2010-05-20 | Panasonic Electric Works Co Ltd | Electronic parts, circuit board which mount electronic parts, and illumination fixture using circuit board |
| JP2014096530A (en) * | 2012-11-12 | 2014-05-22 | Toyota Motor Corp | Reactor and method of manufacturing the same, and electric power conversion device with reactor and method of manufacturing the same |
-
1996
- 1996-04-30 JP JP8109383A patent/JPH09298011A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100478303B1 (en) * | 2001-03-30 | 2005-03-24 | 도시바 라이텍쿠 가부시키가이샤 | Electrical apparatus |
| JP2010114029A (en) * | 2008-11-10 | 2010-05-20 | Panasonic Electric Works Co Ltd | Electronic parts, circuit board which mount electronic parts, and illumination fixture using circuit board |
| JP2014096530A (en) * | 2012-11-12 | 2014-05-22 | Toyota Motor Corp | Reactor and method of manufacturing the same, and electric power conversion device with reactor and method of manufacturing the same |
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