JPS5856954U - Dirt detection device for vehicle lamps - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図乃至第３図は従来の汚れ検知装置を示し、第１図
はランプに組み込んだ断面図、第２図は第１図の要部拡
大部、第３図は検知状態の説明図である。第４図乃至第
９図は本考案の一実施例を示し、第４図は概略図、第５
図はランプに内臓した断面図、第６図は制御回路図、第
７図はワイパー　　゛の斜視図、第８図□は第７図１−
Ｉ線断面図、第９図は検知状態説明図である。第１０図
は本考案の変形例を示す→イパーの斜視図である。 １・・・・・・レンズ、２・・・・・・ランプ、３１・
・・・・・発光ダイオード、３２・・・・・・ホトトラ
ンジスター。Figures 1 to 3 show a conventional dirt detection device. Figure 1 is a sectional view of the device incorporated into a lamp, Figure 2 is an enlarged view of the main part of Figure 1, and Figure 3 is an explanatory diagram of the detection state. be. Figures 4 to 9 show an embodiment of the present invention, with Figure 4 being a schematic diagram and Figure 5 being a schematic diagram.
The figure is a sectional view of the built-in lamp, Figure 6 is a control circuit diagram, Figure 7 is a perspective view of the wiper, and Figure 8 □ is Figure 7 1-
The I-line sectional view and FIG. 9 are explanatory diagrams of the detection state. FIG. 10 is a perspective view of a →iper showing a modification of the present invention. 1... Lens, 2... Lamp, 31.
...Light emitting diode, 32...Phototransistor.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 発光素子と受光素子からなり、一方の素子をランプ内に
設置し、他方の素子をレンズの外側に該レンズと所定の
間隔を葆って設置し、前記発光素子と受光素子とをレン
ズを藺にはさんで対向させてセンサ一部を構成したこと
を特徴とする車輛用ランプの汚れ検知装置。Consisting of a light-emitting element and a light-receiving element, one element is installed inside the lamp, the other element is installed outside the lens at a predetermined distance from the lens, and the light-emitting element and the light-receiving element are placed behind the lens. A dirt detection device for a vehicle lamp, characterized in that a part of the sensor is formed by sandwiching the sensors facing each other.