Miners' lamp

Abstract

The present invention discloses a miner's lamp which includes a lamp head assembly, an electric power assembly and wires for electrically connecting the lamp head assembly and the electric power assembly; the lamp head assembly includes a housing, an illumination lamp and an illumination lamp switch assembly; the wall of the housing is disposed with a mounting hole, the illumination lamp switch assembly includes a microswitch disposed in the housing, an elastic sealing cover and a position bolt coupled with the mounting hole; the touch handle of the microswitch lies in the mounting hole, the sealing cover encloses the touch handle of the microswitch, the position bolt fixes the sealing cover in the mounting hole. The invention has the advantages of good safety, convenient maintenance and long use life.

Description

technical field [0001] The invention belongs to lighting equipment, in particular to a miner's lamp. Background technique [0002] At present, the switch used to control the lighting bulbs in the miner's lamps used in domestic mines is mainly a rotary switch. The loose assembly of the rotary switch will cause the rotary switch to move axially, and the tight assembly will cause the rotary switch to be ineffective. Affect normal use. In addition, the structure of the rotary switch is a reed contact type, which is easy to generate electric sparks when turning on or off the miner's lamp. Because the structure of the rotary switch itself limits its sealing effect, it is easy to cause a gas explosion when gas leaks . [0003] Chinese patent document CN2842162Y discloses a miner's lamp lamp holder equipped with a safety switch, including a lamp ring, a lamp housing and a circuit board; There is a button hole connected to the base hole on the shell, and a button matching the end ...

AI Technical Summary

Problems solved by technology

Because this kind of miner's lamp adopts the way of bonding to realize the sealing fit between the button and the button hole, because the button is exposed to the air in the underground and is frequently touched and massaged, the button is easy to warp or even fall off, so the miner's lamp cannot be used in the underground

In addition, it is cumbersome to disassemble and repair the switch, and the button must be replaced again, and the button that is pasted again has a shorter service life because the bonding is not as stable as before

[0004] In addition, the traditional methane alarm device comprises a cover body with an air inlet and an air outlet, a methane sensor arranged in the cover and a filter screen bonded on the cover and positioned in the air inlet and the air outlet; The coal dust in the gas is easy to block the filter screen, so the filter screen needs to be replaced or cleaned after a period of time for the miner's lamp. Since the traditional methane alarm device uses bonding to fix the filter screen on the cover body, maintenance and replacement need to be replaced first. It is disassembled, and then a new filter screen is bonded; this kind of replacement and maintenance operation is complicated and time-consuming

[0005] In addition, the charging control circuit boards of existing rechargeable miner's lamps are all arranged in the lamp housing. Due to the small heat dissipation area of ​​the lamp cap, the lamp head will overheat during the charging process, which will seriously affect the use effect and use of the miner's lamp. life

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