How to maintain and detect explosion-proof lights

Explosion-proof lights and lampshades should be able to automatically cut off the power before they are opened. However, due to the complexity of setting up the interlocking device, it is difficult to implement. Therefore, most lamps and lanterns only have warning signs such as “No live-on” on the obvious part of the enclosure. Because the surface temperature of the bulb is still high after power off, if you open the lampshade immediately, there is still the danger of igniting the explosive gas mixture (mainly flameproof structure). Therefore, the surface temperature of the incandescent lamp, high pressure mercury lamp, and high pressure sodium lamp are high. , but also quickly open the lid of the luminaire to pay attention to this. The use of more CeY-1 explosion-proof fluorescent lamps has an interlocking mechanism that opens and closes the power supply, providing convenience and safety for maintenance work. Because the fluorescent lamp is a cold light source lamp, there is no surface high temperature, and the lid can be opened immediately after the power is turned off.

When replacing bulbs (tubes), the flameproof joints of explosion-proof lamps shall be properly protected and shall not be damaged; the flameproof surfaces after cleaning shall be coated with phosphated plaster or 204-1 anti-rust oil; other paints shall be prohibited from painting; There shall be no rust layer on the surface. If there is slight rust, there shall be no numbness after cleaning. The seals used for dust protection and waterproofing must be kept intact. This is very important for the increased safety lighting. If the seal is seriously damaged, replace it with a seal of the same size and material and replace the entire light if necessary. When overhauling, pay attention to whether the lampshade is intact and replace it immediately if it is broken.
Explosion-proof lamps and lanterns should be maintained regularly and in time during use.
1. Maintenance and repair personnel need to be trained on the job to understand the performance of the lamps and use requirements clearly. Maintenance personnel must have professional knowledge and be familiar with the structure of the lighting products.
2. Regularly eliminate dust and dirt on the explosion-proof lamp housing to improve the luminous efficiency and heat dissipation performance of the lamp. The cleaning method can be based on the protection capability of the lamp housing, using water spray (over the shade on the lamp) or using a damp cloth. When cleaning with water spray, the power should be cut off. Do not use a dry cloth to scrub the plastic housing (transparent parts) of the lamp to prevent static electricity.
3, check the lamp plastic housing (transparent parts) whether there is serious discoloration, such as severe discoloration, indicating that the plastic has been aging. Check whether the transparent parts have been affected by foreign material, whether the protection network has loosened, soldered, and corroded. If so, use should be stopped and repaired and replaced in time.
4. The light source should be turned off in time when the light source is damaged, and the change should be notified so as to avoid the ballast and other electrical components being in an abnormal state for a long time because the light source cannot be started. If there is accumulated water in the cavity of the lamp used in the humid environment, it shall be promptly removed, and the sealing parts shall be replaced to ensure the protective performance of the housing.
5. When the lampshade is opened, it shall be in accordance with the requirements of the warning sign, and open the cover after the power is turned off. After the cover is opened, 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 insulation and electrical components are deformed and burnt. If these problems are found, they should be promptly repaired and replaced.
6. The models, specifications, dimensions, and performance of the replaced light source, parts, and electrical components shall be the same as those of the light source, components, and electrical components before maintenance and replacement.
7. Before applying the cover, apply a damp cloth (not too wet) to lightly return the light and transparent parts of the lamp to increase the luminous efficiency of the lamp. A layer of 204-1 displacement rust preventive oil should be applied thinly on the flameproof joint surface. When the lid is closed, attention should be paid to whether the sealing ring plays a sealing role in the original position. The sealed part of the lamp should not be frequently disassembled and opened.

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