one. Explosion-proof lamp selection
1.1 The selection personnel must understand the basic working principle of explosion-proof lamps and be familiar with explosion-proof signs.
1.2 Accurately select the explosion-proof category, type, level and temperature group of the lamps according to the level of the explosive hazardous location.
1.3 Understand the environmental conditions and work requirements, and reasonably choose explosion-proof lamps with various functions. For example, the enclosure protection level of explosion-proof lamps used outdoors is at least IP43. In places where color identification is required, high-pressure mercury lamps and high-pressure sodium lamps cannot be used for explosion-proof lamps, because these two light sources have poor color rendering.
1.4 Read the product instruction manual in detail, understand the product's performance, precautions and product limitations, and understand the content of all signs of the product. If there is an "x" symbol after the explosion-proof certificate number, it means that the lamp has a specific applicable place. You should refer to the product instruction manual and nameplate to clarify the applicable place requirements.
two. Explosion-proof light installation
2.1 The installation personnel must undergo professional training.
2.2 Read the product instruction manual in detail, and clarify the meaning of all the signs of the product.
2.3 Install explosion-proof lamps in strict accordance with the requirements specified in the product instruction manual. For example, some lamps have designated installation locations that installers must strictly follow. Some lamps have temperature signs at the entrance of the cable, and the installer must choose high temperature resistant cables and wires.
three. Use of explosion-proof lamps
3.1 The user should understand the performance of explosion-proof lamps, and if any abnormal phenomenon is found, they should call the power off for repair.
3.2 The users of portable explosion-proof lamps should read the instruction manual in detail, clarify the place of use and product performance, and use the lamps in strict accordance with the requirements of use. When the battery is used up, it should be replaced or charged in time, and the battery should be taken out if it is not used for a long time to avoid corrosion of the lamp. It is strictly forbidden to turn on the lamps and replace the batteries or light sources in explosive dangerous places.
Four. Explosion proof light maintenance
Explosion-proof lamps should be regularly maintained and repaired in time during use.
4.1 Maintenance personnel need to undergo on-the-job training to understand the performance of lamps and lanterns and clarify the requirements for use. Maintenance personnel must have professional knowledge and be familiar with the product structure of lamps.
4.2 Regularly eliminate dust and dirt on the shell of explosion-proof lamps, and improve the light efficiency and heat dissipation performance of lamps. The cleaning method can be sprayed with water (above the mark on the lamp) or wiped with a damp cloth according to the protective ability of the lamp shell. When cleaning with water spray, the power supply should be cut off, and it is strictly forbidden to wipe the plastic shell (transparent part) of the lamp with a dry cloth to prevent the generation of static electricity.
4.3 Check whether the plastic shell (transparent part) of the lamp has serious discoloration. If the discoloration is serious, it means that the plastic has been aged. Check whether the transparent parts have been impacted by foreign objects, and whether the protective net is loose, desoldered, corroded, etc. If so, stop using it and repair and replace it in time.
4.4 If the light source is damaged, the light should be turned off in time, and the replacement should be notified, so as to prevent the electrical components such as the ballast from being in an abnormal state for a long time due to the failure of the light source to start.
4.5 If there is accumulated water in the lamp cavity of the lamp used in the humid environment, it should be removed in time, and the sealing parts should be replaced to ensure the protective performance of the shell.
4.6 When opening the lampshade, the cover should be opened after the power is cut off according to the requirements of the warning sign.
4.7 After opening the cover, check whether the flameproof joint surface is intact, whether the rubber seal is hardened or sticky, whether the wire insulation layer is green and carbonized, and whether the insulating parts and electrical components have deformation and scorch marks. If these problems are found, they should be repaired and replaced in time.
4.8 The model, specification, size and performance of the light source, parts and electrical components after repair and replacement should be exactly the same as the light source, parts and electrical components before the repair and replacement.
4.9 Before closing the cover, use a damp cloth (not too wet) to wipe the light and transparent parts of the lamp lightly to improve the light efficiency of the lamp. A thin layer of 204-1 replacement type anti-rust oil should be applied on the flameproof joint surface, and attention should be paid to whether the sealing ring plays a sealing role in the original position when closing the cover.
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