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Patent Searching and Data


Title:
SNOW REMOVING DEVICE FOR LED TRAFFIC SIGNAL LIGHT
Document Type and Number:
WIPO Patent Application WO/2017/222273
Kind Code:
A1
Abstract:
The present invention relates to a snow removing device for an LED traffic signal light and, more specifically, to a snow removing device for an LED traffic signal light, capable of sensing snow piled up on the lens of an LED traffic signal light and heating a heating coil, and the like, provided in the lens so as to remove the snow. To this end, the present invention comprises: an infrared light emitting unit; an infrared light receiving unit provided inside the lens and receiving infrared light reflected from the infrared light emitting unit; a CDS sensor provided inside the lens and measuring visible light in order to compensate for a transmission output of the infrared light emitting unit; and a CDS sensor including a heater provided in the lens and receiving power and generating heat, wherein the lens is formed to have a gently curved surface, a ceramic-coated coil fixing groove is formed along the inner surface inside the lens, and a heater coil is inserted and provided in the coil fixing groove.

Inventors:
KOO, Jea Heon (20 Baekseokgongdan 1-ro, Seobuk-guCheonan-si, Chungcheongnam-do, 31094, KR)
Application Number:
KR2017/006456
Publication Date:
December 28, 2017
Filing Date:
June 20, 2017
Export Citation:
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Assignee:
CHUNGCHEONG INFOMATION & COMMUNICATION CO.,LTD (20 Baekseokgongdan1-ro, Seobuk-guCheonan-si, Chungcheongnam-do, 31094, KR)
International Classes:
G08G1/095; F21V29/90; G01J1/42; G02B3/00; G09F9/33; H05B3/14; H05B3/56; F21W111/02; F21Y101/00
Foreign References:
KR200437312Y12007-11-21
KR101527591B12015-06-16
KR100805171B12008-02-28
KR101117210B12012-03-07
KR20000028346A2000-05-25
Attorney, Agent or Firm:
LEE, Jae Sung (406-ho Cheongsa officetel, 228 Cheongsa-ro,Seo-gu, Daejeon, 35209, KR)
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