JPH034401U - - Google Patents
Info
- Publication number
- JPH034401U JPH034401U JP6330789U JP6330789U JPH034401U JP H034401 U JPH034401 U JP H034401U JP 6330789 U JP6330789 U JP 6330789U JP 6330789 U JP6330789 U JP 6330789U JP H034401 U JPH034401 U JP H034401U
- Authority
- JP
- Japan
- Prior art keywords
- reflector
- section
- focal point
- headlamp
- curved surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 150000001875 compounds Chemical class 0.000 claims description 2
- 239000002131 composite material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 230000004907 flux Effects 0.000 description 1
Description
第１図は本考案による実施例のヘツドランプの
平面図、第２図は第１図に示すものの側面図、第
３図は実施例のヘツドランプの正面図、第４図は
実施例において使用されるレンズの側面図、第５
図は第４図に示すレンズのＶ矢印方向からの側面
図、第６図はヘツドランプの照射方向を説明する
模式図、第７図はヘツドランプの垂直断面の照射
方向を説明する模式図、第８図はヘツドランプの
水平断面の照射方向を説明する模式図、第９図は
車両前部の斜視図、第１０図は従来のヘツドラン
プの斜視図、第１１図は従来のヘツドランプの正
面図、第１２図は従来のヘツドランプの平面図、
第１３図は第１２図に示すものの側面図、第１４
図は配光パターンを示す説明図、第１５図はバル
ブの発生光束を示す説明図、第１６図は従来のリ
フレクターの垂直断面からみた場合の反射効率を
示す説明図、第１７図は従来のリフレクター水平
断面からみた場合の反射効率を示す説明図である
。
１１…複合レンズ、１３…リフレクター、１４
…バルブ、Ｌ１…複合レンズの垂直断面における
焦点、Ｌ２…複合レンズの水平断面における焦点
、Ｆ１…リフレクターの一の焦点、Ｆ２…リフレ
クターの他の焦点。
Fig. 1 is a plan view of a headlamp according to an embodiment of the present invention, Fig. 2 is a side view of the headlamp shown in Fig. 1, Fig. 3 is a front view of the headlamp of an embodiment, and Fig. 4 is a headlamp used in the embodiment. Side view of lens, fifth
The figures are a side view of the lens shown in Fig. 4 taken from the V arrow direction, Fig. 6 is a schematic diagram explaining the irradiation direction of the headlamp, Fig. 7 is a schematic diagram explaining the irradiation direction of a vertical section of the headlamp, and Fig. 8 is a schematic diagram explaining the irradiation direction of the headlamp. 9 is a perspective view of the front of the vehicle. FIG. 10 is a perspective view of a conventional headlamp. FIG. 11 is a front view of a conventional headlamp. The figure is a plan view of a conventional headlamp.
Figure 13 is a side view of what is shown in Figure 12;
The figure is an explanatory diagram showing the light distribution pattern, Fig. 15 is an explanatory diagram showing the luminous flux generated by the bulb, Fig. 16 is an explanatory diagram showing the reflection efficiency when viewed from a vertical cross section of a conventional reflector, and Fig. 17 is an explanatory diagram showing the conventional reflector. It is an explanatory view showing reflection efficiency when seen from a reflector horizontal cross section. 11...Compound lens, 13...Reflector, 14
... bulb, L 1 ... focal point in the vertical section of the complex lens, L 2 ... focal point in the horizontal section of the complex lens, F 1 ... one focus of the reflector, F 2 ... the other focus of the reflector.
Claims (1)
ける焦点距離の長い複合レンズの後方に、内面を
ほぼ半分の楕円曲面に形成したリフレクターを、
該リフレクター外部に位置する該楕円曲面の一の
焦点と前記複合レズの垂直断面における焦点とを
合わせた位置に取付け、前記リフレクター内の前
記楕円曲面の他の焦点位置にバルブを設置したこ
とを特徴とする車両用ヘツドランプ。 At the rear of the compound lens, which has a longer focal length in the horizontal cross section than in the vertical cross section, is a reflector whose inner surface is formed into an elliptical curved surface of approximately half.
A bulb is installed at a position where one focal point of the elliptical curved surface located outside the reflector and a focal point in a vertical section of the composite lens are aligned, and a bulb is installed at another focal point of the elliptical curved surface within the reflector. A headlamp for vehicles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6330789U JPH0735204Y2 (en) | 1989-05-31 | 1989-05-31 | Vehicle headlamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6330789U JPH0735204Y2 (en) | 1989-05-31 | 1989-05-31 | Vehicle headlamps |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH034401U true JPH034401U (en) | 1991-01-17 |
| JPH0735204Y2 JPH0735204Y2 (en) | 1995-08-09 |
Family
ID=31593238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6330789U Expired - Lifetime JPH0735204Y2 (en) | 1989-05-31 | 1989-05-31 | Vehicle headlamps |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0735204Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004087179A (en) * | 2002-08-23 | 2004-03-18 | Stanley Electric Co Ltd | Lighting fixture and projection lens |
| JP2014143057A (en) * | 2013-01-23 | 2014-08-07 | Koito Mfg Co Ltd | Projection lens and lighting fixture unit |
-
1989
- 1989-05-31 JP JP6330789U patent/JPH0735204Y2/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004087179A (en) * | 2002-08-23 | 2004-03-18 | Stanley Electric Co Ltd | Lighting fixture and projection lens |
| JP2014143057A (en) * | 2013-01-23 | 2014-08-07 | Koito Mfg Co Ltd | Projection lens and lighting fixture unit |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0735204Y2 (en) | 1995-08-09 |
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