JPH09306435A - Incandescent lamp - Google Patents
Incandescent lampInfo
- Publication number
- JPH09306435A JPH09306435A JP11272096A JP11272096A JPH09306435A JP H09306435 A JPH09306435 A JP H09306435A JP 11272096 A JP11272096 A JP 11272096A JP 11272096 A JP11272096 A JP 11272096A JP H09306435 A JPH09306435 A JP H09306435A
- Authority
- JP
- Japan
- Prior art keywords
- filament
- infrared
- light
- incandescent
- light bulb
- 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
Landscapes
- Non-Portable Lighting Devices Or Systems Thereof (AREA)
Abstract
Description
【0001】[0001]
【発明の属する技術分野】本発明は、ガラス管球内に複
数の導入線の一端がそれぞれ導入され、該各一端間にフ
ィラメントが接続保持され、前記ガラス管球の外表面に
前記フィラメントから出射された照明光束のうち可視光
を透過し且つ赤外光を反射する赤外反射膜が設けられた
白熱電球に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention introduces one end of each of a plurality of introducing wires into a glass tube, and a filament is connected and held between the respective ends, and the filament is emitted to the outer surface of the glass tube. The present invention relates to an incandescent light bulb provided with an infrared reflection film that transmits visible light and reflects infrared light in the illuminated luminous flux.
【0002】[0002]
【従来の技術】従来、例えば、図6(A),(B)、図
7(A),(B)に示すように、ガラス管球1内に複数
の導入線2,3の一端2a,3aがそれぞれ導入され、
各一端間2a,3aにフィラメント4が接続保持された
白熱電球5が知られている。2. Description of the Related Art Conventionally, for example, as shown in FIGS. 6 (A), (B), 7 (A), and (B), one end 2a of a plurality of lead-in wires 2 and 3 is introduced into a glass tube 1. 3a is introduced respectively,
An incandescent lamp 5 in which a filament 4 is connected and held between the ends 2a and 3a is known.
【0003】また、ガラス管球1の表面には赤外反射膜
(図示せず)が塗布されている。この赤外反射膜は、フ
ィラメント4から出射された照明光束のうち可視光を透
過し且つ赤外光を反射する特性を備えている。An infrared reflection film (not shown) is applied to the surface of the glass tube 1. The infrared reflection film has a property of transmitting visible light and reflecting infrared light of the illumination light flux emitted from the filament 4.
【0004】フィラメント4は、それ自体の温度が高い
ほど発光効率が良い。従って、フィラメント4の発光に
伴う照明光束に含まれる赤外光の一部を赤外反射膜によ
りフィラメント4へと反射し、その熱によってフィラメ
ント4の発光効率を向上させることができる。The higher the temperature of filament 4, the better the luminous efficiency. Therefore, a part of the infrared light included in the illumination light flux accompanying the light emission of the filament 4 is reflected by the infrared reflection film to the filament 4, and the heat generated by the infrared reflection film can improve the luminous efficiency of the filament 4.
【0005】[0005]
【発明が解決しようとする課題】ところで、上記の如く
構成された白熱電球5にあっては、赤外反射膜によって
その発光効率が向上されているものの、赤外反射膜はフ
ィラメント4から出射された光束のうち、導入線2,3
の導入方向と直交する方向に出射された赤外光に対して
は有効であるものの、導入線2,3の導入方向に沿う方
向若しくはそれに類する方向に対する赤外線は有効利用
できないという問題があった。By the way, in the incandescent lamp 5 configured as described above, although the light emission efficiency is improved by the infrared reflection film, the infrared reflection film is emitted from the filament 4. Introductory lines 2, 3 of the luminous flux
Although it is effective for the infrared light emitted in the direction orthogonal to the introduction direction of, the infrared ray in the direction along the introduction direction of the introduction lines 2 and 3 or a direction similar thereto cannot be effectively used.
【0006】本発明は、上記事情に鑑みなされたもので
あって、導入線の導入方向に沿う方向若しくはそれに類
する方向に対する赤外線の有効利用を実現するとがで
き、よって、白熱電球の消費電力の節約化並びに長寿命
化をも実現することができる白熱電球を提供することを
目的とする。The present invention has been made in view of the above circumstances, and it is possible to effectively use infrared rays in a direction along the introduction direction of the introduction line or in a direction similar to the introduction direction, thus saving the power consumption of the incandescent light bulb. It is an object of the present invention to provide an incandescent light bulb that can realize a long life and a long life.
【0007】[0007]
【課題を解決するための手段】その目的を達成するた
め、請求項1に記載の発明は、ガラス管球内に複数の導
入線の一端がそれぞれ導入され、該各一端間にフィラメ
ントが接続保持され、前記ガラス管球の外表面に前記フ
ィラメントから出射された照明光束のうち可視光を透過
し且つ赤外光を反射する赤外反射膜が設けられた白熱電
球において、前記フィラメント側に赤外光を反射する反
射部材が前記一端に設けられていることを要旨とする。In order to achieve the object, the invention described in claim 1 is such that one end of each of a plurality of introducing wires is introduced into a glass bulb, and a filament is connected and held between the respective one ends. In the incandescent light bulb provided with an infrared reflection film that transmits visible light and reflects infrared light in the illumination light flux emitted from the filament on the outer surface of the glass bulb, the infrared ray is provided on the filament side. The gist is that a reflecting member that reflects light is provided at the one end.
【0008】[0008]
【発明の実施の形態】次に、本発明の白熱電球の実施の
形態を、図面に基づいて説明する。BEST MODE FOR CARRYING OUT THE INVENTION Next, an embodiment of an incandescent light bulb of the present invention will be described with reference to the drawings.
【0009】図1(A),(B)において、白熱電球1
1は、ガラス管球12と、ガラス管球12内に一端13
a,14aが導入された導入線13,14と、一端13
a,14a間に接続されたフィラメント15と、一端1
3a,14aに設けられた反射部材16とを備えてい
る。1A and 1B, an incandescent light bulb 1 is shown.
1 is a glass tube 12 and one end 13 in the glass tube 12.
a, 14a is introduced to the introduction lines 13 and 14, and one end 13
filament 15 connected between a and 14a, and one end 1
3a and 14a, and a reflecting member 16 provided on the 3a and 14a.
【0010】ガラス管球12の外表面には、多数の低屈
折率層並びに高屈折率層を交互に積層(例えば、20〜
60層)した赤外線反射膜17が設けられている。この
赤外線反射膜17は、フィラメント15から出射された
照明光束のうち可視光を透過し且つ赤外光を反射する特
性を有する。尚、赤外線反射膜17の詳細な構成(成分
等)や作用(ハロゲンサイクル)に関しては、特開平7
−296783号公報に開示されているため省略する。On the outer surface of the glass tube 12, a large number of low refractive index layers and high refractive index layers are alternately laminated (for example, 20 to 20).
Infrared reflection film 17 having 60 layers) is provided. The infrared reflection film 17 has a property of transmitting visible light and reflecting infrared light of the illumination light flux emitted from the filament 15. Regarding the detailed constitution (components etc.) and function (halogen cycle) of the infrared reflection film 17, it is disclosed in Japanese Patent Laid-Open No.
Since it is disclosed in Japanese Patent Publication No. 296783, the description thereof will be omitted.
【0011】反射部材16は、フィラメント15よりも
基部側に位置しており、表面には赤外線反射膜(図示せ
ず)が設けられている。また、反射部材16は、図2
(A),(B)に示すように、ガラスから2分割に形成
された片16a,16bを密着接合することによりフィ
ラメント15を焦点とするリフレクタ形状を呈する。さ
らに、各片16a,16bの合わせ辺には導入線13,
14を挟持するための半円状の凹部16c,16d,1
6e,16fが形成されている。The reflecting member 16 is located closer to the base side than the filament 15 and has an infrared reflecting film (not shown) on its surface. In addition, the reflecting member 16 is shown in FIG.
As shown in (A) and (B), pieces 16a and 16b formed by dividing the glass into two pieces are closely joined to each other to form a reflector shape with the filament 15 as a focal point. Furthermore, the lead-in line 13,
Semicircular recesses 16c, 16d, 1 for holding 14
6e and 16f are formed.
【0012】上記の構成において、白熱電球11を製造
する場合には、図3(A)〜(E)に示すように、先ず
導入線13,14に反射部材16を装着した後、フィラ
メント15を一端13a,14aに接続し、これらを成
形前のガラス管球11で覆った状態でガス抜き加工をし
てガラス管球11の外表面に赤外線反射膜17を塗布す
る。When the incandescent lamp 11 is manufactured with the above structure, as shown in FIGS. 3 (A) to 3 (E), first, the reflecting member 16 is attached to the introduction lines 13 and 14, and then the filament 15 is attached. The infrared ray reflection film 17 is applied to the outer surface of the glass tube 11 by connecting the ends 13a and 14a and degassing the glass tube 11 before molding.
【0013】また、反射部材16の装着は、図4(A)
〜(D)に示すように、導入線13,14に一致するよ
うに凹部16cと凹部16d並びに凹部16eと凹部1
6fとを対向させ、対向する合わせ辺をバーナ等(図の
矢印参照)により溶かして各片16a,16bを接合す
る。The mounting of the reflecting member 16 is shown in FIG.
As shown in (D), the recesses 16c and the recesses 16d and the recesses 16e and the recesses 1 are aligned with the introduction lines 13 and 14, respectively.
6f are opposed to each other, and the opposing mating sides are melted by a burner or the like (see the arrow in the figure) to join the pieces 16a and 16b.
【0014】この際、溶着後の反射部材16と導入線1
3,14との間は溶融ガラスによって隙の無い状態で接
合されると共に、余った溶融ガラスは反射面側と反対の
裏面に肉溜り16gとなって赤外線のフィラメント15
側への反射を阻害しないように設定する。At this time, the reflecting member 16 and the lead-in wire 1 after welding
3 and 14 are joined together with molten glass in a state where there is no gap, and the remaining molten glass forms a reservoir 16g on the back surface opposite to the reflection surface side, and infrared filament 15
Set so that the reflection to the side is not obstructed.
【0015】また、各片16a,16bはガラスの型成
形であるため、その肉厚や形状等は設計通りの精度の良
いものとすることができるばかりでなく、その設計変更
や形状設定等の応用性にも対応することができる。Further, since the pieces 16a and 16b are formed by molding glass, not only can the thickness and shape of the pieces be made as precise as designed, but also the design can be changed and the shape can be set. It can also be applied.
【0016】さらに、フィラメント15をガラス管球1
1の中心に設けた場合には対象形状の片16a,16b
とすることができるため、成形金型や保管管理等のコス
ト面でも優ぐれた効果を発揮することができる。Further, the filament 15 is attached to the glass tube 1.
When provided at the center of 1, the pieces 16a, 16b of the target shape
Therefore, it is possible to exert excellent effects in terms of costs such as molding dies and storage management.
【0017】そして、このような構成の白熱電球11を
図示しない車両用灯具等に設置した場合、フィラメント
15の発光に伴う照明光束のうち、可視光はガラス管球
12並びに反射部材16を透過してそのまま照明光束と
して照射され、赤外光の一部はガラス管球12の外周面
に塗布された赤外線反射膜17によってフィラメント1
5へと反射され、赤外光のその他の一部は反射部材16
によってフィラメント15へと反射される。When the incandescent light bulb 11 having such a structure is installed in a vehicle lamp or the like (not shown), visible light in the illumination light flux accompanying the light emission of the filament 15 passes through the glass tube 12 and the reflecting member 16. Is irradiated as it is as an illumination light flux, and a part of the infrared light is applied to the filament 1 by the infrared reflection film 17 applied to the outer peripheral surface of the glass tube 12.
5 and the other part of the infrared light is reflected by the reflection member 16
Is reflected by the filament 15.
【0018】フィラメント15へと反射された各赤外光
は、その波長特性によりフィラメント15を加熱し、こ
の加熱によりフィラメント15の発光特性が向上(ハロ
ゲンサイクルの円滑化)されて光量アップを実現するこ
とができ、しかも、消費電力の節約し得て、白熱電球1
1の長寿命化をも実現することができる。Each infrared light reflected to the filament 15 heats the filament 15 due to its wavelength characteristic, and this heating improves the light emitting characteristic of the filament 15 (smooth halogen cycle) to realize an increase in the amount of light. Incandescent light bulb 1
It is possible to realize a long service life of 1.
【0019】尚、反射部材16は、導入線13,14の
フィラメント15よりも基部側(ボトム側)に設けられ
ているが、フィラメント15よりも先端側にも同様にし
て設けてもよい。Although the reflection member 16 is provided on the base side (bottom side) of the introduction wires 13 and 14 with respect to the filament 15, it may be provided on the tip side of the filament 15 in the same manner.
【0020】但し、基本的には、ガラス管球12のトッ
プ形状がドーム状であることから、フィラメント15か
ら出射された赤外光束のうち、ガラス管球12のトップ
側に向かう赤外光束は比較的効率良くフィラメント15
側へと反射して赤外光束の有効利用を図れていたが、ガ
ラス管球12のボトム側に向かう赤外光束を比較的無駄
としていたため、本実施の形態では、このボトム側に向
かう赤外光束の有効利用を図るように構成した。However, since the top shape of the glass tube 12 is basically dome-shaped, the infrared light beam emitted from the filament 15 to the top side of the glass tube 12 is the infrared light beam. Filament 15 relatively efficiently
Although the infrared light flux reflected toward the bottom side was effectively used, the infrared light flux toward the bottom side of the glass tube 12 was comparatively wasted. Therefore, in the present embodiment, the red light flux toward the bottom side is red. It is configured to make effective use of the external light flux.
【0021】[0021]
【発明の効果】以上説明したように、本発明の白熱電球
にあっては、フィラメント側に赤外光を反射する反射部
材が導入線の一端に設けられていることにより、導入線
の導入方向に沿う方向若しくはそれに類する方向に対す
る赤外線の有効利用を実現するとができ、よって、白熱
電球の消費電力の節約化並びに長寿命化をも実現するこ
とができる。As described above, in the incandescent light bulb of the present invention, since the reflecting member for reflecting infrared light on the filament side is provided at one end of the introduction line, the introduction direction of the introduction line is improved. It is possible to effectively use the infrared rays in the direction along the line or in a similar direction, and thus it is possible to save the power consumption of the incandescent light bulb and extend the life thereof.
【図1】本発明の実施の形態1に係わる白熱電球を示
し、(A)は白熱電球の側面図、(B)は白熱電球の平
面図である。FIG. 1 shows an incandescent light bulb according to Embodiment 1 of the present invention, (A) is a side view of the incandescent light bulb, and (B) is a plan view of the incandescent light bulb.
【図2】同じく、(A)は反射部材の分解斜視図、
(B)は反射部材の分解正面図である。FIG. 2A is also an exploded perspective view of a reflecting member,
(B) is an exploded front view of the reflecting member.
【図3】同じく、(A)乃至(E)は白熱電球の製造工
程を時系列で示した説明図である。3 (A) to 3 (E) are explanatory views showing the manufacturing process of the incandescent light bulb in time series.
【図4】同じく、(A)乃至(D)は白熱電球の製造工
程での反射部材の取付工程を時系列で示した説明図であ
る。4 (A) to 4 (D) are explanatory views showing a process of attaching a reflecting member in a manufacturing process of an incandescent light bulb in time series.
【図5】本発明の実施の形態2に係わる白熱電球を示
し、(A)は白熱電球の側面図、(B)は白熱電球の平
面図である。FIG. 5 shows an incandescent light bulb according to Embodiment 2 of the present invention, (A) is a side view of the incandescent light bulb, and (B) is a plan view of the incandescent light bulb.
【図6】従来の白熱電球を示し、(A)は白熱電球の側
面図、(B)は白熱電球の平面図である。FIG. 6 shows a conventional incandescent light bulb, (A) is a side view of the incandescent light bulb, and (B) is a plan view of the incandescent light bulb.
【図7】従来の他の白熱電球を示し、(A)は白熱電球
の側面図、(B)は白熱電球の平面図である。FIG. 7 shows another conventional incandescent lamp, (A) is a side view of the incandescent lamp, and (B) is a plan view of the incandescent lamp.
11…白熱電球 12…ガラス管球 13…導入線 13a…一端 14…導入線 14a…一端 15…フィラメント 16…反射部材 17…赤外反射膜 11 ... Incandescent light bulb 12 ... Glass tube 13 ... Introducing wire 13a ... One end 14 ... Introducing wire 14a ... One end 15 ... Filament 16 ... Reflecting member 17 ... Infrared reflecting film
Claims (2)
ぞれ導入され、該各一端間にフィラメントが接続保持さ
れ、前記ガラス管球の外表面に前記フィラメントから出
射された照明光束のうち可視光を透過し且つ赤外光を反
射する赤外反射膜が設けられた白熱電球において、 前記フィラメント側に赤外光を反射する反射部材が前記
一端に設けられていることを特徴とする白熱電球。1. An end of a plurality of introduction lines is introduced into a glass tube, a filament is connected and held between the ends, and an illumination light beam emitted from the filament is emitted to an outer surface of the glass tube. An incandescent light bulb provided with an infrared reflection film that transmits visible light and reflects infrared light, wherein the filament side has a reflecting member that reflects infrared light provided at the one end. light bulb.
前記一端の基部側に位置し且つ前記フィラメント側に拡
開して該フィラメントを焦点とするリフレクタ形状を呈
していることを特徴とする請求項1に記載の白熱電球。2. The reflection member has a reflector shape which is located closer to the base side of the one end than the filament and is expanded toward the filament side to focus the filament. The incandescent light bulb described in 1.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11272096A JPH09306435A (en) | 1996-05-07 | 1996-05-07 | Incandescent lamp |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP11272096A JPH09306435A (en) | 1996-05-07 | 1996-05-07 | Incandescent lamp |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH09306435A true JPH09306435A (en) | 1997-11-28 |
Family
ID=14593845
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP11272096A Pending JPH09306435A (en) | 1996-05-07 | 1996-05-07 | Incandescent lamp |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH09306435A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101118154B1 (en) * | 2011-07-04 | 2012-03-12 | (주) 예스티 | Lamp for heat treatment of substrate |
-
1996
- 1996-05-07 JP JP11272096A patent/JPH09306435A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101118154B1 (en) * | 2011-07-04 | 2012-03-12 | (주) 예스티 | Lamp for heat treatment of substrate |
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