JPS60168087U

JPS60168087U - Door obstacle detection device

Info

Publication number: JPS60168087U
Application number: JP5487784U
Authority: JP
Inventors: 角南　健次
Original assignee: 三菱電機株式会社
Priority date: 1984-04-13
Filing date: 1984-04-13
Publication date: 1985-11-07

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

[Brief explanation of the drawing]

第１図はこの考案の一実施例を示す正面概略図、第２図
は第１図に示す扉の突き合せ部を示す断面図、第３図は
扉の突き合せ部の構造の他の例を示す断面図である。１・・・扉、２・・・投光器、３・・・受光器、７・・
・反射板、８・・・光ビーム、９・・・突き合せ部、１
０・・・細隙部。尚、各図中同一符号は同−又は相当部
分を示す。　　　−Fig. 1 is a schematic front view showing one embodiment of this invention, Fig. 2 is a sectional view showing the abutting part of the door shown in Fig. 1, and Fig. 3 is another example of the structure of the abutting part of the door. FIG. 1...door, 2...emitter, 3...receiver, 7...
・Reflector, 8... Light beam, 9... Butt part, 1
0... Slit part. Note that the same reference numerals in each figure indicate the same or corresponding parts. −

Claims

[Scope of utility model registration request]

(1) In a door obstacle detection device that detects an obstacle caught in the door after the door is closed, when the door is in the closed state,
The structure of the abutment part is configured to form two slits that transmit light from the top end to the bottom end of the abutment part of the door, and the light beam is projected from the top end of the slit part toward the bottom end. A light projector provided, a reflector provided at a position to change the direction of the light beam exiting the lower end of the narrow gap, and a light receiver whose light receiving surface is provided at a position to receive the light beam reflected from the reflector. A door obstacle detection device that is equipped with a door obstacle detection device.

(2) The light receiver is arranged below the floor surface where the guide rail for the lower end of the door is provided, and the light receiving surface of the light receiver is fixed to the floor surface while maintaining an angle of at least a right angle. A door obstacle detection device according to claim 1 of the utility model registration claim.

(3) The reflector is provided below the floor surface and is provided with a portion that transmits the light beam on the floor surface for projecting the light beam exiting the lower end of the slit onto the reflector surface. A door obstacle detection device according to claim 1 of the utility model registration claim.