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Lighting fixture

A technology of lighting fixtures and illuminance sensors, which is applied in lighting devices, lighting devices, fixed lighting devices, etc., can solve the problems that people cannot be detected, the light distribution area is different from the detection area, etc., and achieve the effect of simple structure and proper light distribution

Active Publication Date: 2014-06-11
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, there is a problem that sometimes a person cannot be detected even though the person is in the light distribution area, and the light is turned off.
In addition, even if the human body detection sensor 112 is tilted so that the center of the LED 111 coincides with the center of the human body detection sensor 112, the same problem exists because the light distribution area and the detection area are different.
[0009] In addition, in order to prevent the influence of the heat rays emitted from the LED 111 to the human body detection sensor 112 as the cause of the malfunction of the human body detection sensor 112, a vertical wall-shaped support portion 119 is provided between the two, and there is a possibility that the lighting device 100 will become large. the problem of

Method used

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Experimental program
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Effect test

no. 1 Embodiment approach

[0031] Hereinafter, a lighting fixture according to a first embodiment of the present invention will be described with reference to the drawings.

[0032] Such as figure 1 As shown, the luminaire 10 according to the embodiment of the present invention is installed on a mounted portion such as a ceiling 11, and can be used as an illumination front (in the figure 1 The middle is below) the downlight is used. The lighting fixture 10 has a cylindrical lighting fixture body 20 as a fixture body whose front side is opened (opening 25 ).

[0033] The lamp main body 20 is formed of a metal having high thermal conductivity such as Al or Cu, and on the outer periphery of the opening 25 at the front of the lamp main body 20, there is a hole that abuts against the ceiling surface 11 from the lower side when the lamp main body 20 is installed. Ring-shaped appliance frame 21 . Mounting platform 22 stretches out and is installed on the rear portion of lamp main body 20 (in figure 1 Th...

no. 2 Embodiment approach

[0050] Next, at Figure 5 A lighting fixture according to a second embodiment of the present invention is shown in . In addition, the same code|symbol is attached|subjected to the part common to the lighting fixture 10 of said 1st Embodiment, and the overlapping description is abbreviate|omitted.

[0051] Such as Figure 5 As shown, in the lighting fixture 10B of the second embodiment, the lens 42B of the human sensor unit 40B protrudes outward from the opening 51 of the shield 50 , and the light emitting unit 30 is disposed inside the shield 50 .

[0052] According to the luminaire 10B of the second embodiment of the present invention described above, since the opening 51 is provided in the shielding portion 50 through which infrared rays are difficult to pass through, and the human body sensor portion 40B protrudes from the opening 51, the human body sensor portion can be secured. Appropriate detection action for 40B. In addition, since the light emitting unit 30 is dispo...

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PUM

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Abstract

Provided is a lighting fixture, which can prevent the influence of a heat ray radiating from a light-emitting part to a human sensor through a convenient and simple structure and can conduct appropriate light distribution. The central part of the light fixture body (20) is provided with a human sensor (40), and a light-emitting part (30) is disposed at the periphery of the human sensor (40), thereby the center of the detection area of the human sensor (40) is consistent to the light distribution area of the light-emitting part (30). With the arrangement of a shielding part (50) which is not easily permeated by infrared rays and has light transmittance, the infrared rays emitted from the light-emitting part (30) can be prevented from intruding the human sensor (40) and can prevent the misoperation of the human sensor (40). the lighting fixture can prevent the influence of heat ray radiating from the light-emitting part (30) to the human sensor (40) through a convenient and simple structure and can conduct appropriate light distribution.

Description

technical field [0001] The present invention relates to a lighting fixture having a human sensor unit for detecting the presence or absence of a person. Background technique [0002] Conventionally, there is known a lighting fixture having a human body sensor unit that detects the presence or absence of a person (for example, refer to Patent Document 1). [0003] Such as Image 6 As shown, the lighting fixture 100 described in Patent Document 1 has a main body 101 and a cover 102 made of synthetic resin. The inside of the main body 101 is partitioned into a terminal accommodating portion 104 and a printed circuit board accommodating portion 105 by a partition wall 103 . A terminal board 106 is disposed in the terminal accommodating portion 104 . A set of two latch springs 107 is arranged on the terminal board 106 , and electric wires are crimped to the terminal board 106 by the latch springs 107 . [0004] Two printed circuit boards 109 and 110 connected by a flat cable 1...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F21S8/04F21V33/00H05B37/02G01J5/00
CPCY02B20/44
Inventor 大坪笃
Owner PANASONIC CORP