JPH05251062A - Incandescent bulb with reflecting mirror - Google Patents
Incandescent bulb with reflecting mirrorInfo
- Publication number
- JPH05251062A JPH05251062A JP4741692A JP4741692A JPH05251062A JP H05251062 A JPH05251062 A JP H05251062A JP 4741692 A JP4741692 A JP 4741692A JP 4741692 A JP4741692 A JP 4741692A JP H05251062 A JPH05251062 A JP H05251062A
- Authority
- JP
- Japan
- Prior art keywords
- reflecting mirror
- mounting hole
- plate
- adhesive
- section
- 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
- 239000000853 adhesive Substances 0.000 claims abstract description 31
- 230000001070 adhesive effect Effects 0.000 claims abstract description 29
- 238000007789 sealing Methods 0.000 abstract description 12
- 229910052736 halogen Inorganic materials 0.000 abstract description 10
- 238000003780 insertion Methods 0.000 abstract description 6
- 230000037431 insertion Effects 0.000 abstract description 6
- 239000007788 liquid Substances 0.000 abstract description 5
- 230000003449 preventive effect Effects 0.000 abstract 2
- 239000011368 organic material Substances 0.000 abstract 1
- 229910052721 tungsten Inorganic materials 0.000 abstract 1
- 239000010937 tungsten Substances 0.000 abstract 1
- -1 tungsten halogen Chemical class 0.000 abstract 1
- 150000002367 halogens Chemical class 0.000 description 9
- 238000002347 injection Methods 0.000 description 7
- 239000007924 injection Substances 0.000 description 7
- MCMNRKCIXSYSNV-UHFFFAOYSA-N Zirconium dioxide Chemical compound O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000007547 defect Effects 0.000 description 2
- 229910044991 metal oxide Inorganic materials 0.000 description 2
- 150000004706 metal oxides Chemical class 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000011230 binding agent Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、発光管の発光中心と反
射鏡の焦点とを位置合わせするアライニング後の作業効
率の向上と、反射鏡下端開口部のねじり強度を向上させ
た反射鏡付き白熱電球に関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a reflector having an improved work efficiency after aligning the luminous center of an arc tube and the focal point of the reflector and an improved twisting strength of a lower end opening of the reflector. Incandescent light bulb.
【０００２】[0002]
【従来の技術】各種ランプは、その配光特性を良好とす
るため反射鏡を取り付けて用いられる場合が多く、特に
反射鏡と発光管を一体的にした反射鏡付ランプの需要も
高い。2. Description of the Related Art Various lamps are often used with a reflecting mirror attached in order to improve their light distribution characteristics, and there is particularly high demand for a lamp with a reflecting mirror in which a reflecting mirror and an arc tube are integrated.
【０００３】図４は、従来の反射鏡付き白熱電球の断面
図である。この反射鏡付き白熱電球は、反射鏡２０の内
部中央部に発光管２１が挿入され、さらに、反射鏡２０
の下端部の筒部２２に接着剤２３が注入され発光管２１
が固定されている。FIG. 4 is a sectional view of a conventional incandescent lamp with a reflecting mirror. In this incandescent light bulb with a reflecting mirror, a light emitting tube 21 is inserted in the center of the inside of the reflecting mirror 20, and
The adhesive 23 is injected into the tubular portion 22 at the lower end of the arc tube 21.
Is fixed.
【０００４】このような従来のランプの組み立ては、反
射鏡２０の投光口２４を上向きにして、発光管２１を前
記投光口２４に挿入し、反射鏡２０の筒部２２の下端開
口部２５の外面に液垂れ防止プレ−ト（図示せず）を貼
りつけておく。この発光管２１の端子ピン２６をソケッ
ト（図示せず）に取り付け、この状態で発光管２１の発
光中心と反射鏡２０の焦点とを位置合わせし、その後、
反射鏡２０の投光口２４から接着剤注入針（図示せず）
を差し込み、この注入針から発光管２１の封止部２７と
筒部２２の内壁面との間隙に接着剤２３を注入する。In the assembly of such a conventional lamp, the light emitting port 24 of the reflecting mirror 20 is faced upward, the arc tube 21 is inserted into the light projecting port 24, and the lower end opening of the cylindrical portion 22 of the reflecting mirror 20. A dripping prevention plate (not shown) is attached to the outer surface of 25. The terminal pin 26 of the light emitting tube 21 is attached to a socket (not shown), and in this state, the light emitting center of the light emitting tube 21 and the focal point of the reflecting mirror 20 are aligned with each other.
Adhesive injection needle (not shown) from the light projecting port 24 of the reflecting mirror 20
Then, the adhesive 23 is injected from the injection needle into the gap between the sealing portion 27 of the arc tube 21 and the inner wall surface of the tubular portion 22.
【０００５】このような注入作業が終了すると、発光管
２１を点灯して自己発熱させ、反射鏡２０の側面から温
風を送り込んで接着剤２３を乾燥させる。接着剤２３が
乾燥硬化すると、先に取り付けてあった液垂れ防止プレ
−トを剥して作業が終わる。Upon completion of such injection work, the arc tube 21 is turned on to self-heat, and hot air is blown from the side surface of the reflecting mirror 20 to dry the adhesive 23. When the adhesive 23 dries and hardens, the work which is previously attached is peeled off and the work is finished.
【０００６】[0006]
【発明が解決しようとする課題】しかし、このような従
来の方法は、筒部２２の下端開口部２５が下向きの姿勢
で上から接着剤２３が注入されるので、注入された接着
剤２３が垂れないように液垂れ防止プレ−トを下端開口
部２５の外面に貼りつけ、接着剤２３の硬化後にこれを
剥ぎ取る必要があり、この作業に手間を要する。However, in such a conventional method, since the adhesive 23 is injected from above with the lower end opening 25 of the tubular portion 22 facing downward, the injected adhesive 23 is It is necessary to attach a liquid dripping prevention plate to the outer surface of the lower end opening 25 so as not to drip, and to peel off the adhesive 23 after the adhesive 23 is hardened, which requires time and effort.
【０００７】また、発光管端子２６のまわりには接着剤
２３がまわり込みにくいため空間が出来やすく、接着強
度が弱くなる。本発明は、このような問題を解決するた
めになされたもので、発光管の発光中心と反射鏡の焦点
とを位置合わせするアライニング後の作業効率の向上
と、取付孔開口部のねじり強度が向上した反射鏡付き白
熱電球を提供するものである。Further, since the adhesive 23 does not easily get around the arc tube terminal 26, a space is easily formed and the adhesive strength is weakened. The present invention has been made to solve such a problem, and improves the work efficiency after aligning for aligning the light emission center of the arc tube with the focal point of the reflecting mirror and the torsional strength of the mounting hole opening. The present invention provides an incandescent light bulb with a reflector.
【０００８】[0008]
【課題を解決するための手段】本発明は、背面部に取付
孔を形成した反射鏡に発光管を収容し、この発光管の端
部を上記取付孔に挿入し接着剤により固定する反射鏡付
き白熱電球において、反射鏡の筒部の下端開口部側の内
底面に、無機質のプレートを嵌め込んでいる。DISCLOSURE OF THE INVENTION According to the present invention, an arc tube is housed in a reflecting mirror having a mounting hole formed in a rear surface thereof, and an end portion of the arc tube is inserted into the mounting hole and fixed by an adhesive. In the attached incandescent lamp, an inorganic plate is fitted on the inner bottom surface of the cylindrical portion of the reflecting mirror on the lower end opening side.
【０００９】[0009]
【作用】本発明によれば、反射鏡の取付孔の下端開口部
の内底面に、無機質のプレートを嵌め込むことにより、
接着剤充填後に液垂れ防止用のプレ−トを剥す必要がな
くなり、しかも、ソケットに差し込む時にねじられて
も、発光管の封止部にクラックが入らないので、ランプ
が不点になることを防ぐことができる。According to the present invention, by fitting the inorganic plate on the inner bottom surface of the lower end opening of the mounting hole of the reflecting mirror,
It is not necessary to remove the plate for preventing liquid dripping after filling the adhesive, and even if it is twisted when it is inserted into the socket, the sealing part of the arc tube will not crack, so the lamp will be a spot. Can be prevented.
【００１０】[0010]
【実施例】以下、本発明の一実施例を図面にもとずき説
明する。図１（Ａ）は本発明の一実施例の反射鏡付き白
熱電球の断面図、図１（Ｂ）は耐熱性無機質のプレート
の平面図、図２はプレートを嵌め込んだ反射鏡の断面図
である。図１に示すように反射鏡１は、先が大きく開
き、その内面には例えばダイクロイック膜などからなる
反射面２が形成されており、前面には投光口３を開設す
るとともに、背面には長四角形状の筒部４が一体に突設
している。この筒部４は、投光口３側に開放された取付
孔５を有するとともに、背面壁には取付孔５の断面より
小さな下端開口部６が形成されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. 1 (A) is a sectional view of an incandescent lamp with a reflecting mirror according to an embodiment of the present invention, FIG. 1 (B) is a plan view of a heat-resistant inorganic plate, and FIG. 2 is a sectional view of a reflecting mirror in which the plate is fitted. Is. As shown in FIG. 1, the reflecting mirror 1 has a wide open tip, and a reflecting surface 2 made of, for example, a dichroic film is formed on the inner surface thereof. A long quadrangular cylindrical portion 4 is integrally projected. The cylindrical portion 4 has a mounting hole 5 opened to the light projecting port 3 side, and a lower end opening 6 smaller than the cross section of the mounting hole 5 is formed in the rear wall.
【００１１】図２に示すように、上記反射鏡１の筒部４
の下端開口部６側の内底面７にはジルコニア等の金属酸
化物を主成分とした耐熱性無機質のセラミックよりなり
且つ、ピン挿入孔８ａ，８ｂを有するプレート８を嵌め
込んでいる。As shown in FIG. 2, the cylindrical portion 4 of the reflecting mirror 1 is shown.
A plate 8 made of a heat-resistant inorganic ceramic containing a metal oxide such as zirconia as a main component and having pin insertion holes 8a and 8b is fitted on the inner bottom surface 7 of the lower end opening 6 side.
【００１２】１０は発光管としてのハロゲン電球であ
り、石英バルブ１１の一端部に圧漬封止部１２を備え、
この封止部１２からは一対の端子ピン１３Ａ，１３Ｂが
導出されている。これら端子ピン１３Ａ，１３Ｂは、バ
ルブ１１内に収容した図示しないフィラメントに接続さ
れているとともに、ソケットなどを介して外部の電源に
接続されるものである。このハロゲン電球１０は、反射
鏡１の中央部に収容され、封止部１２が取付孔５に挿入
されて接着剤１４により固定される。Reference numeral 10 denotes a halogen bulb as an arc tube, which is provided with a squeezing sealing portion 12 at one end of a quartz bulb 11.
A pair of terminal pins 13A and 13B are led out from the sealing portion 12. The terminal pins 13A and 13B are connected to a filament (not shown) housed in the bulb 11 and also connected to an external power source via a socket or the like. The halogen bulb 10 is housed in the central portion of the reflecting mirror 1, and the sealing portion 12 is inserted into the mounting hole 5 and fixed with an adhesive 14.
【００１３】接着剤１４は、例えばアルミナ、シリカ、
ジルコニア等の金属酸化物を主成分とし、バインダーと
して水を用いた耐熱性無機質接着剤が用いられ、ハロゲ
ン電球１０の封止部１２と筒部４の内周面との間の間隙
に充填され、プレ−ト８を嵌め込んだ反射鏡１にハロゲ
ン電球１０を一体的に取り付ける。The adhesive 14 is, for example, alumina, silica,
A heat-resistant inorganic adhesive containing metal oxide such as zirconia as a main component and water as a binder is used to fill a gap between the sealing portion 12 of the halogen bulb 10 and the inner peripheral surface of the tubular portion 4. , The halogen bulb 10 is integrally attached to the reflecting mirror 1 in which the plate 8 is fitted.
【００１４】上記のようにプレ−ト８が嵌め込まれた反
射鏡１にハロゲン電球１０を固定するために取付孔５に
接着剤１４を充填する場合は以下の方法が採用される。
すなわち、プレ−ト８を嵌め込んだ反射鏡１の投光口３
を上向きにし、この反射鏡１にハロゲン電球１０を収容
して封止部１２を反射鏡１の取付孔５に挿入するととも
に、一対の端子ピン１３Ａ，１３Ｂをプレ−ト８のピン
挿入孔８ａ，８ｂに挿入する。なお、ピン挿入孔８ａ，
８ｂは端子ピン１３Ａ，１３Ｂの外径より大きい。When the mounting hole 5 is filled with the adhesive 14 for fixing the halogen bulb 10 to the reflecting mirror 1 in which the plate 8 is fitted as described above, the following method is adopted.
That is, the projection port 3 of the reflecting mirror 1 in which the plate 8 is fitted
Facing upward, the halogen bulb 10 is housed in the reflecting mirror 1, the sealing portion 12 is inserted into the mounting hole 5 of the reflecting mirror 1, and the pair of terminal pins 13A and 13B are inserted into the pin insertion hole 8a of the plate 8. , 8b. The pin insertion holes 8a,
8b is larger than the outer diameter of the terminal pins 13A and 13B.
【００１５】そして、図３に示すように、フィラメント
の中心を反射鏡１の焦点位置に合わせるようにして位置
調整し、接着剤供給装置につながった接着剤注入器具で
ある接着剤注入針１５によって取付孔５に接着剤１４を
注入する。Then, as shown in FIG. 3, the position of the filament is adjusted so that the center of the filament is aligned with the focal position of the reflecting mirror 1, and the adhesive injection needle 15 is an adhesive injection device connected to the adhesive supply device. The adhesive 14 is injected into the mounting hole 5.
【００１６】このような注入作業が終了すると、ハロゲ
ン電球１０を点灯して自己発熱させ、反射鏡１の側面か
ら温風を送り込んで接着剤１４を乾燥させ、接着剤１４
が乾燥硬化するとランプが完成する。Upon completion of such an injection operation, the halogen bulb 10 is lit to self-heat, and hot air is blown from the side surface of the reflecting mirror 1 to dry the adhesive agent 14, and the adhesive agent 14 is then dried.
The lamp is completed when it is dried and cured.
【００１７】以上のように、反射鏡１の筒部４の下端開
口部６側の内底面にプレ−ト８を嵌め込み、取付孔５に
注入した接着剤１４を乾燥硬化することにより、接着剤
１４の硬化後にこれを剥ぎとるなどの必要がなく、作業
の手間がかからない。As described above, the plate 8 is fitted on the inner bottom surface of the cylindrical portion 4 of the reflecting mirror 1 on the side of the lower end opening 6 and the adhesive 14 injected into the mounting hole 5 is dried and hardened. There is no need to peel it off after curing 14 and no work is required.
【００１８】また、ソケットに差し込む時にねじられて
も、ハロゲン電球１０の封止部１２にクラックが入らな
いので、ランプが不点になることを防ぐことができた。Further, even if it is twisted when it is inserted into the socket, the sealing portion 12 of the halogen light bulb 10 is not cracked, so that it is possible to prevent the lamp from becoming a defect.
【００１９】[0019]
【発明の効果】以上説明したように、本発明は、反射鏡
の筒部の下端開口部側の内底面に、耐熱性無機質のプレ
ートを嵌め込むことにより、接着剤充填後に液垂れ防止
用のプレ−トを剥す必要がなく、しかも、ソケットに差
し込む時にねじられても、発光管の封止部にクラックが
入らないので、ランプが不点になることを防ぐことが出
来るというすぐれた効果を有する。As described above, according to the present invention, a heat-resistant inorganic plate is fitted on the inner bottom surface of the cylindrical portion of the reflecting mirror on the side of the lower end opening to prevent liquid dripping after filling the adhesive. There is no need to remove the plate, and even if it is twisted when it is inserted into the socket, the sealing part of the arc tube does not crack, so it is possible to prevent the lamp from becoming a defect. Have.
【図１】（Ａ）は本発明の一実施例の反射鏡付き白熱電
球の断面図、（Ｂ）は耐熱性無機質のプレートの平面図
である。FIG. 1A is a cross-sectional view of an incandescent lamp with a reflecting mirror according to an embodiment of the present invention, and FIG. 1B is a plan view of a heat-resistant inorganic plate.
【図２】プレートを嵌め込んだ本発明の反射鏡の断面図
である。FIG. 2 is a sectional view of a reflecting mirror of the present invention in which a plate is fitted.
【図３】本発明の製造工程の説明図である。FIG. 3 is an explanatory diagram of a manufacturing process of the present invention.
【図４】従来の反射鏡付き白熱電球の断面図である。FIG. 4 is a cross-sectional view of a conventional incandescent lamp with a reflecting mirror.
１ 反射鏡 ２ 反射面 ３ 投光口 ４ 筒部 ５ 取付孔 ６ 下端開口部 ７ 内底面 ８ プレート ８ａ ピン挿入孔 ８ｂ ピン挿入孔 １０ 発光管（ハロゲン電球） １１ 石英バルブ １２ 封止部 １３Ａ 端子ピン １３Ｂ 端子ピン １４ 無機接着剤 １５ 接着剤注入針 DESCRIPTION OF SYMBOLS 1 Reflector 2 Reflective surface 3 Light emitting port 4 Cylindrical part 5 Mounting hole 6 Lower end opening 7 Inner bottom surface 8 Plate 8a Pin insertion hole 8b Pin insertion hole 10 Light emitting tube (halogen bulb) 11 Quartz bulb 12 Sealing part 13A Terminal pin 13B terminal pin 14 inorganic adhesive 15 adhesive injection needle
Claims (1)
管を収容し、この発光管の端部を上記取付孔に挿入し接
着剤により固定する反射鏡付き白熱電球において、上記
反射鏡の筒部の下端開口部側の内底面に、無機質のプレ
ートを嵌め込んだことを特徴とする反射鏡付き白熱電
球。1. An incandescent light bulb with a reflecting mirror in which a light emitting tube is housed in a reflecting mirror having a mounting hole formed on a back surface thereof, and an end portion of the light emitting tube is inserted into the mounting hole and fixed with an adhesive. An incandescent light bulb with a reflecting mirror, characterized in that an inorganic plate is fitted into the inner bottom surface of the lower end opening side of the cylinder part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4741692A JPH05251062A (en) | 1992-03-05 | 1992-03-05 | Incandescent bulb with reflecting mirror |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4741692A JPH05251062A (en) | 1992-03-05 | 1992-03-05 | Incandescent bulb with reflecting mirror |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH05251062A true JPH05251062A (en) | 1993-09-28 |
Family
ID=12774550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4741692A Pending JPH05251062A (en) | 1992-03-05 | 1992-03-05 | Incandescent bulb with reflecting mirror |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH05251062A (en) |
-
1992
- 1992-03-05 JP JP4741692A patent/JPH05251062A/en active Pending
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