JPS6273282U - - Google Patents

Description

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

第１図は本考案実施例の構成図、第２図は投光
器の縦断面略図、第３図は受光器の縦断面略図、
第４図は投光器の配光曲線図、第５図は受光器の
感度曲線である。なお図において、４は電源線、
７，１４は放物面反射鏡、８は光源、１５は光電
素子である。 Fig. 1 is a configuration diagram of an embodiment of the present invention, Fig. 2 is a schematic vertical cross-sectional view of the emitter, and Fig. 3 is a schematic vertical cross-sectional view of the receiver.
FIG. 4 is a light distribution curve diagram of the emitter, and FIG. 5 is a sensitivity curve of the light receiver. In the figure, 4 is the power line,
7 and 14 are parabolic reflecting mirrors, 8 is a light source, and 15 is a photoelectric element.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 警戒範囲を挾んで相対向するように設置される
赤外線ビームの投光器およびそのビームの受光器
と、上記受光器の出力が消滅したときこれを検出
して警報を発する警報器と、上記投光器および受
光器等を直流電源に接続する共通の電源線とより
なり、かつ前記受光器の出力の大きさに対応した
周波数の信号を上記電源線に加える送信器と、前
記投光器の設置個所において電源線から上記周波
数信号を抽出してその周波数に対応した信号を送
出する投光器の設置方位表示器とを具備した対向
式赤外線侵入者検知装置。 An infrared beam emitter and a receiver for the beam, which are installed facing each other across a warning range, an alarm that detects when the output of the receiver disappears and issues an alarm, and the emitter and the receiver. A transmitter that connects a common power line to a DC power source, and that applies a signal of a frequency corresponding to the output size of the receiver to the power line, and a transmitter that connects the transmitter to the power line at the location where the emitter is installed. A facing type infrared intruder detection device comprising: an installation direction indicator for a projector that extracts the frequency signal and transmits a signal corresponding to the frequency;