CN205208306U - Explosion -proof light of LED - Google Patents

Abstract

The utility model discloses an explosion-proof LED lighting lamp, which comprises an explosion-proof casing, an LED light source module, a heat sink and a lens, the LED light source module is fixed on the heat sink, the LED light source module includes a plurality of LED lights, and the lens is embedded through a lens pressure plate. The sleeve is installed on the LED lamp, the lens pressing plate is fixed on the heat sink, the heat sink includes finned heat sinks, and the LED light source module is connected with the power supply. The radiator of the utility model includes a fin-type heat sink, which increases the contact area between the radiator and the air, and has better heat conduction and heat transfer performance; the lens light distribution method is adopted, and the large-angle light output design makes the illumination uniformity higher; the incoming line adopts The ceramic terminal block method makes the installation of the lamp easier. In addition, the ceramic terminal block has the advantages of anti-aging, high temperature resistance, high insulation performance, and good stability, and is more suitable for explosion-proof products; LED is used as the light source, and LED is energy-saving. , Long life, safe and environment-friendly light source.

Description

A LED explosion-proof lighting lamp

technical field

The utility model is a novel LED explosion-proof lighting lamp, which is suitable for use in environments with explosive gas and dust in industries such as petroleum, chemical industry, coal, food and medicine.

Background technique

At present, there are some obvious defects in explosion-proof lamps used in petroleum, chemical, coal and pharmaceutical industries where there are explosive gas and dust environments. Traditional explosion-proof lamps generally use metal halide lamps or sodium lamps, which generate high temperatures when ignited. It generates a lot of heat, and it is easy to sinter carbon black in the glass lampshade, which affects the light transmittance, is difficult to remove, and the intensity is very low, and a slight vibration will greatly shorten the life of the lamp head, or even damage it. It is greatly affected by the input voltage, the voltage decreases, the illuminance decreases significantly, and the voltage increases, the luminous efficiency is significantly improved, but the service life is significantly shortened.

Utility model content

Aiming at the problems existing in traditional explosion-proof lamps using metal halide lamps or sodium lamps at present, the utility model provides a flameproof LED explosion-proof lighting lamp for factory use with high light efficiency, long life, impact resistance and vibration resistance.

The technical scheme of the utility model is: an LED explosion-proof lighting lamp, comprising an explosion-proof housing, an LED light source module, a heat sink and a lens, the LED light source module is fixed on the heat sink, and the LED light source module includes a plurality of For an LED lamp, the lens is nested and mounted on the LED lamp through a lens pressing plate, the lens pressing plate is fixed on the heat sink, the heat sink includes finned heat sinks, and the LED light source module is connected to a power supply.

Preferably, a layer of heat-conducting glue is coated on the back of the LED light source module.

Preferably, the power supply is a constant current drive power supply, the constant current drive power supply is fixed on the back cover by screws, and the back cover and the heat sink are connected through flameproof threads.

Preferably, the input leads of the constant current drive power supply are fixed on the ceramic terminal block.

Preferably, it also includes a front cover, on which high borosilicate tempered glass is bonded, and a rubber gasket and a pressure ring are built in the front cover.

Preferably, the ceramic terminal block and the rear cover are connected by flameproof threads.

Beneficial effects of the utility model: the radiator of the utility model has a circle of fin-type heat sinks around it, which increases the contact area between the radiator and the air, and has better heat conduction and heat transfer performance; the lens light distribution method is adopted, and the large-angle light output design, The light output angle can reach more than 100 degrees, which makes the lighting uniformity higher; the incoming line adopts the ceramic terminal block method, which makes the installation of the lamp easier. In addition, the ceramic terminal block has anti-aging, high temperature resistance, high insulation performance, good stability, etc. Advantages, more suitable for explosion-proof products; choose LED as the light source, compared with other light sources such as incandescent lamps, fluorescent lamps, gas lamps, etc., LED is currently the most energy-saving light source, LED is the light source with the longest life, and LED is the safest Light source, LED is the most environmentally friendly light source.

Description of drawings

Fig. 1 is the exploded schematic view of the utility model LED explosion-proof lighting;

Fig. 2 is a structural schematic diagram of the utility model LED explosion-proof lighting;

Fig. 3 is the bottom view of Fig. 2;

Fig. 4 is the top view of Fig. 2;

FIG. 5 is a cross-sectional view of FIG. 2 .

detailed description

The embodiment provided by the utility model is described in further detail in conjunction with the accompanying drawings:

An explosion-proof LED lighting lamp, comprising an explosion-proof casing, an LED light source module, a heat sink and a lens, the LED light source module is fixed on the heat sink, the LED light source module includes a plurality of LED lamps, and the lens passes through the lens The pressing plate is nested and installed on the LED lamp, the lens pressing plate is fixed on the heat sink, the heat sink includes finned heat sinks, and the LED light source module is connected to a power supply.

As shown in Figures 1 to 5, the utility model is an explosion-proof LED lighting lamp, which uses die-casting aluminum alloy and tempered glass to form a three-chamber explosion-proof housing, and the interior is divided into a light source chamber, a power supply chamber, and a wiring chamber. The components that make up each cavity are connected by flameproof threads, and the explosion-proof grade is ExdIIC.

The light source cavity is composed of front cover 1, tempered glass 2, lens pressure plate 3, lens 4, LED light source module 5, front cover sealing ring 6, radiator 7, including LED light source module 5 fixed on the radiator 7 by screws, and the light source module 5 Spread heat-conducting glue evenly on the back, mount the lens 4 on the LED, nest the lens 4 with the lens pressure plate 3, and then fix it with the heat sink 7 with screws, and seal the glass 2 with the front cover 1 with epoxy resin. Together, then cooperate together with the radiator 7 that puts on the front cover sealing ring 6 with screw teeth.

The power supply cavity is composed of a constant current drive power supply 8, a rear cover sealing ring 9, a rear cover 10, and a radiator 7, including a preset wire through hole in the center of the radiator 7, and the constant current drive power supply 8 is fixed on the rear cover 10 with screws , the back cover 10 is put on the back cover sealing ring 9 and the radiator 7 and is threaded together. The connecting wires between the LED light source module 5 and the constant current drive power supply 8 in the power chamber are bonded and cured in the wire hole with epoxy resin, and the effective bonding length meets the relevant explosion-proof requirements of GB3836.

The wiring cavity is composed of a rear cover 10, a ceramic terminal block 12, a sealing ring of the terminal block 11, a sealing ring of the terminal cover 13, a cover of the terminal cavity 14, a rubber block 15 of the wire inlet hole, a metal gasket 16 of the wire inlet hole and a stainless steel nameplate 17. The input leads including the constant current drive power supply 8 are fixed on the ceramic terminal block 12 with screws, and a threaded through hole is opened in the middle of the back cover 10. Together, the wiring chamber cover 14 is put on the wiring chamber cover sealing ring 13 and fixed together with the rear cover 10 through threads, and the input lead wire of the lamp passes through the rubber block 15 of the wire inlet hole and the metal gasket 16 of the wire inlet hole, and then is fixed on the ceramic with screws. On the terminal block 12, the nameplate 17 is fixed on the wiring chamber cover 14 with a metal rivet.

The installation bracket of the utility model can change the installation method according to the installation requirements, and is applicable to various installation methods required on site.

The utility model is a kind of LED explosion-proof lighting GB3836.1-2010 and GB3836.2-2010 design standards. Set the set screw to loosen, and the inner surface of each cavity (except the explosion-proof surface) is coated with EL302 arc-proof coating; there are obvious grounding marks and wiring bolts inside and outside the wiring cavity to ensure the reliable grounding of the lamp shell; the light-emitting surface of the explosion-proof lamp It is bonded to the front cover with high borosilicate tempered glass, with built-in rubber gasket and pressure ring, which can withstand the impact test specified in GB3836.1-201026.4.2 and the cold resistance test at minus 40 degrees.

In this specification, the invention has been described with reference to specific embodiments thereof. However, it is obvious that various modifications and changes can be made without departing from the spirit and scope of the present invention. Accordingly, the specification and drawings are to be regarded as illustrative rather than restrictive.

Claims (6)

1. a LED explosion-proof illuminating lamp, it is characterized in that, comprise explosion-proof casing, LED light source module, radiator and lens, described LED light source module is fixed on described radiator, described LED light source module comprises multiple LED, and described lens scioptics pressing plate is nested to be arranged in LED, and described lens pressing plate is fixed on described radiator, described radiator comprises finned radiator, and described LED light source module is connected with power supply.

2. LED explosion-proof illuminating lamp according to claim 1, is characterized in that, the back side of described LED light source module scribbles one deck heat-conducting glue.

3. LED explosion-proof illuminating lamp according to claim 1, is characterized in that, described power supply is constant-current driving power supply, and described constant-current driving power supply is screwed on bonnet, and described bonnet and described radiator are connected by flame proof thread.

4. LED explosion-proof illuminating lamp according to claim 3, is characterized in that, the input lead of described constant-current driving power supply is fixed on ceramic junction block.

5. LED explosion-proof illuminating lamp according to claim 1, is characterized in that, also comprise protecgulum, described protecgulum is bonded with high borosilicate safety glass, and described protecgulum built-in rubber liner and trim ring.

6. LED explosion-proof illuminating lamp according to claim 4, is characterized in that, described ceramic junction block and bonnet adopt flame proof thread to be connected.