Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
LED ENERGY CONSERVATION EXPLOSION-PROOF LAMP
Document Type and Number:
Japanese Patent JP2014137856
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an LED energy conservation explosion-proof lamp.SOLUTION: An LED energy conservation explosion-proof lamp comprises: a lamp seat 2; an LED light emitting element 3; lamp cover 4; and annular cover 5. The lamp seat 2 is provided with a storing portion 21. A connecting portion 22 provided with a storing chamber is protruded at the bottom part of the lamp seat 2. A washer assembly 6 is fitted to the storing chamber so as to form a sealed state at the bottom part. The LED light emitting element 3 is fixed in the storing portion 21. The lamp cover 4 is made of reinforced glass, a lens portion 41 is protruded at its central part, its peripheral edge is extended outwardly to form an annular end part 42. The lamp cover 4 is fitted into the storing portion 21, the annular cover 5 is provided with a fitting hole 51 corresponding to the lens portion 41, a peripheral edge of the fitting hole 51 is provided with an engaging part 52, the annular cover 5 is fitted to the lamp seat 2, the engaging part 52 covers the annular end part 42 so as to form a flame propagation distance complying with a certification of Explosion-proof Safety Standards.

Inventors:
CHANG KUN-JUNG
JUAN CHING-YUAN
LIN KUO-CHUN
RUAN CHING-YUAN
CHANG HAN-WEN
Application Number:
JP2013004633A
Publication Date:
July 28, 2014
Filing Date:
January 15, 2013
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
LI-HONG SCIENCE & TECHNOLOGY CO LTD
International Classes:
F21V25/12; F21S2/00; F21V17/00; F21Y101/02
Domestic Patent References:
JPS62128655U1987-08-14
JP2005150003A2005-06-09
JPH0517819U1993-03-05
Attorney, Agent or Firm:
あいわ特許業務法人