Security sensor device
A sensor device and security technology, applied in anti-theft alarms, optical device exploration, instruments, etc., can solve the problems of reversed left and right positions of shading sheets, more labor for installation, and appearance that damages design
Inactive Publication Date: 2019-08-23
OPTEX CO LTD
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Problems solved by technology
In addition, such a light-shielding sheet requires time-consuming installation work, and since it is installed on the side of the Fresnel lens, it can be seen from the outside of the Fresnel lens, and the shielding area is clearly visible to outsiders, deteriorating the appearance of the design.
In addition, since the light-shielding sheet is installed on the side of the Fresnel lens, the installation work is to install the light-shielding sheet while viewing the Fresnel lens from the inside. Therefore, in the case of viewing the infrared human body detection device from the front outside, it may be more difficult than the actual situation. The left and right positions of the shielding direction are mistakenly reversed, so the installation work may take more effort
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[0035] Embodiments of the present invention will be described below with reference to the drawings. In addition, in each figure, the same code|symbol represents the same or a corresponding part, Unless there is no special description, such as a change, the description is abbreviate|omitted suitably.
[0036] exist figure 1 An exploded perspective view of the security sensor device 1 according to the first embodiment of the present invention is shown in . In this embodiment, far-infrared rays are used as detection lines, and the security sensor device 1 has far-infrared detection elements (hereinafter, also simply referred to as infrared detection elements) 232A, 232B, 242A, and 242B of a PIR sensor as detection line sensors. 1 It is used for human detection inside and outside the house, that is, detecting intruders, etc. The security sensor device 1 has at least a cover unit 100 and a base unit 200 , and also has a mounting base 300 for installing the cover unit 100 and the ...
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A security sensor device is provided which can flexibly set a detection direction through simple operation without the need of shielding operation for mounting a light shielding sheet on a Fresnel lens side. A cover unit (100) covering a front face of a base unit (200) having detection elements (232A, 232B, 242A, 242B) for detecting detection rays has a plurality of optical members (122-1 to 122-8) present so as to be aligned about a predetermined axis (L3), and the base unit (200) has detection elements (232A, 232B, 242A, 242B) disposed at light-concentrated positions onto which the detectionrays from the plurality of optical members are concentrated. The base unit (200) further has shielding curved plates (260A, 260B) housed in the cover unit (100), and the shielding curved plates (260A, 260B) are set so as to be rotatable about the predetermined axis (L3), and are locked at predetermined positions in a rotation direction to block the detection rays coming to the detection elements.
Description
[0001] This application claims the priority of Japanese Patent Application No. 2018-025911 filed on February 16, 2018, the entire content of which is incorporated by reference to constitute a part of this application. technical field [0002] The invention relates to a security sensor device with a detection unit for detecting a detection line. Background technique [0003] A security sensor device including an active infrared security sensor (AIR [Active Infra-Red] sensor) and a passive infrared security sensor (PIR [Passive Infra-Red] sensor) has been known, wherein the active infrared security The sensor has more than one pair of light emitters and light receivers that are detection lines of electromagnetic waves such as infrared rays, and detects objects by using the reflected light reflected from objects of the projected infrared rays. Or the far infrared rays emitted by the human body. [0004] As a security sensor device including a PIR sensor, the following two conv...
Claims
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IPC IPC(8): G01V8/10G08B13/19
CPCG01V8/10G08B13/19G08B13/193G08B13/181G08B13/189
Inventor 森田千寻池田祐幸
Owner OPTEX CO LTD