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Multi-beam photoelectric sensor

A photoelectric sensor and multi-optical axis technology, applied to circuits, electric switches, electrical components, etc., can solve the problem that the number of inventory management parts cannot be reduced

Active Publication Date: 2008-12-24
ORMON CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, for circuit boards, the number of inventory management parts cannot be reduced below a certain number

Method used

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  • Multi-beam photoelectric sensor
  • Multi-beam photoelectric sensor
  • Multi-beam photoelectric sensor

Examples

Experimental program
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Effect test

Embodiment Construction

[0057] Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the drawings. The perspective view of the appearance of the light-projecting (or light-receiving) cylinder involved in the present invention is shown in FIG. 1 . As shown in the same figure, the multi-optical axis photoelectric sensor according to the present invention has beams 10 for light projection and light reception which are arranged oppositely when in use.

[0058] The container of this cylinder 10 has a columnar container body 101, an end cap 102 blocking one end opening of the columnar container body, an end cap 103 blocking the other end opening, and a front panel 104 blocking the front side. As will be described in detail later, the columnar container body 101 and the end caps 102 and 103 are made of metal and have a substantially U-shaped cross section. The front panel 104 adopts a plastic plate transparent to the light used. The sensor assembly 10A ...

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Abstract

Provides a multi-axis photoelectric sensor that can flexibly change the length of the light emitting and receiving cylinder, the number of optical axes, and the distance between optical axes, etc., corresponding to the width of the hazardous area and the diameter of the smallest detected object. The emitter-receiver row includes optical module rows, common conductive wires and conductive wires between adjacent modules. The optical module row is formed by arranging multiple optical modules in a row. The optical circuit and the flip-flop corresponding to the first stage of the shift register are integrally constituted, and the common conductive line connects the light-emitting modules from one end of the light-emitting module column to the other end in common, and the conductive lines between the adjacent modules are only connected to each other. Connecting adjacent light-projecting modules, each optical module constituting the optical module column is electrically connected to a ribbon cable, and then the flip-flops in the adjacent optical modules are connected with the conductive wires between adjacent modules to form a shift register, thereby Each optical module constituting the optical module column operates sequentially according to the data sequentially transferred by the shift register.

Description

technical field [0001] The present invention relates to a multi-optical axis photoelectric sensor for monitoring human bodies etc. that enter a dangerous area. In particular, it is possible to flexibly change the length of the light emitting and receiving cylinder according to the width of the targeted dangerous area, the diameter of the minimum detected object, etc. , the number of optical axes and the distance between optical axes, etc. Background technique [0002] This kind of multi-optical axis photoelectric sensor is well known. It has a light-emitting cylinder made by accommodating the light emitter row in a cylindrical container, and a light-receiving cylinder made by accommodating the photoreceiver row in the cylindrical container. The light-receiving cylinders are arranged at appropriate intervals so that the light-emitting and receiving surfaces face each other, and a light curtain for object detection is formed between the light-emitting and receiving cylinders. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01H35/00H03K17/968
CPCG01V8/20
Inventor 下川觉赤木哲也高原孝义三宅靖佐藤俊孝猪头俊介
Owner ORMON CORP