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산업용 안전모 정부 근처 통기구멍에 관한 연구

A Study on Ventilation Holes Near the Crown of Industrial Safety Helmets

  • 김진현 (한국산업안전보건공단 산업안전보건연구원) ;
  • 최혁중 ((주)한성세이프티)
  • 투고 : 2012.08.09
  • 심사 : 2012.10.05
  • 발행 : 2012.10.31

초록

An industrial safety helmet primarily intended to protect the wearer's head. It is to prevent or reduce the danger due to flying or dropping objects, falling and prevent the danger due to an electric shock given to the head. However, thermal discomfort of the head is one of the main complaints in the case of wearing safety helmet. Ventilation holes are not allowed in safety helmets on domestic regulations except for industrial safety helmets which are to protect wearer's head against flying or dropping objects. This paper is to produce the need for enlargement of allowing on ventilation holes' regulation to class B. This study reviewed foreign standards' regulations on ventilation holes of safety helmets. Some standards recommend that ventilation may be improved when fresh air is able to enter the helmet around its lower edge and to exit via holes in the helmet located in the upper one third of the helmet. And in the experiments, relationships of ventilation holes and the temperature over the head are analyzed. The experimental results show that the cooling effect of ventilation holes in the upper one third of the helmet is meaningful.

키워드

참고문헌

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  7. ISO 3873:1977, "Specification for Industrial Safety Helmets", International Standard, 1977.
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