KR20130107396A - Explosion prevention lamp and explosion prevention lamp system having the same - Google Patents

Abstract

An explosion-proof lamp including a high intensity and safe use in an industrial environment in which dangerous substances are scattered, and an explosion-proof lamp system including the same are disclosed. The explosion-proof lamp has a flat top surface and has a heat dissipation characteristic, at least one printed circuit board mounted on the top surface of the heat dissipation member, and at least one mounted on the printed circuit board to generate light. A light emitting module including a light emitting diode of the light emitting diode, coupled to the heat dissipation member to protect the light emitting module, a cover having an opening for emitting light from the light emitting module, and coupled to the cover to cover the opening of the cover, It includes a tempered glass having a flat plate shape so as to face the printed circuit board and the same interval. Therefore, even in an industrial facility in which dangerous substances in a gas or dust state are scattered, it is possible to prevent explosion due to high illuminance and electrical and mechanical defects inside the luminaire.

Description

Explosion proof lamp and explosion proof lamp system including the same {EXPLOSION PREVENTION LAMP AND EXPLOSION PREVENTION LAMP SYSTEM HAVING THE SAME}

The present invention relates to an explosion-proof lamp and an explosion-proof lamp system including the same, and more particularly, to an explosion-proof lamp and an explosion-proof lamp system including the same that can be used in industrial facilities in which gaseous or dusty dangerous substances are scattered.

Industrial facilities, such as petrochemicals, gas, refinery-related factories and reservoirs, are exposed to fire due to the explosion of various dangerous substances in the form of high temperature and high pressure in various processes. In addition, since the explosion of the industrial facility causes human and property damage, our law classifies hazardous places into approximately zero, one, and two places according to the danger state, and the electrical appliances used in the hazardous places are explosion-proof. (Article 258, Paragraph 2 of the Rules on Industrial Safety).

In the case of a luminaire, the electrical appliance used in the dangerous place must have an explosion-proof structure according to the regulations. The dangerous substances may be sucked into the luminaire in the form of gas, dust and vapor, and the inhaled dangerous substances may be expanded into an explosion accompanied by a flame by an ignition source caused by electrical and mechanical defects of the luminaire. Can be. Explosion-proof luminaires that withstand the explosion pressure inside the luminaire to prevent the expansion of the explosion is called explosion-proof lamps. The explosion-proof lamp prevents an explosion accompanied by the flame generated inside the explosion-proof lamp from leaking out of the explosion-proof lamp and expanding into an explosion of the entire industrial facility.

On the other hand, the explosion-proof lamp currently being used has a bulb shape in which a light source is covered by a spherical cover. However, the explosion-proof bulb in the form of a bulb has a limitation in that the number of light sources that can be mounted in comparison with the overall size of the explosion-proof lamp does not play a role of lighting in the industrial facility in which dangerous substances are scattered in gas or dust. .

In addition, the explosion-proof lamp in the bulb form is easy to be destroyed because the explosion pressure generated inside the luminaire at the time of explosion because the space for the dangerous substances scattered outside the explosion-proof is large.

In addition, the conventional explosion-proof system is mounted with a power supply device that is an electrical or mechanical hazard inside the explosion-proof, such that there is a high risk of explosion.

Patent Registration 10-0909472 Patent Publication No. 10-2012-0007246 Utility Model Registration 20-0408788

Accordingly, the problem to be solved by the present invention is to provide a high intensity and safe explosion-proof, etc. in industrial facilities interspersed with dangerous substances in the gas or dust state.

In addition, another object of the present invention is to provide an explosion-proof lamp system including the explosion-proof lamp.

An explosion-proof lamp according to an embodiment of the present invention has a top surface having a flat plate shape, a heat dissipation member having heat dissipation characteristics, at least one printed circuit board mounted on the top surface of the heat dissipation member, and a mounting on the printed circuit board. A light emitting module including at least one light emitting diode to generate light, a cover coupled with the heat dissipation member to protect the light emitting module, and having an opening for emitting light from the light emitting module, and an opening of the cover. It is coupled to the cover so as to include a tempered glass having a flat plate shape so as to face the printed circuit board at equal intervals.

The cover is formed in the form of a square of each side is 260 mm ~ 320 mm, the tempered glass is formed of a thickness of 16mm ~ 22 mm, the distance between the light emitting diode and the tempered glass is formed to be 10 mm ~ 20 mm. Can be.

The light emitting module may include a plurality of the printed circuit boards arranged in parallel with each other, and a plurality of light emitting diodes may be mounted on each of the printed circuit boards at regular intervals.

The cover may be coupled to an upper surface of the heat dissipation member and coupled to a lower cover part surrounding the light emitting module and the lower cover part, and may include an upper cover part to which the tempered glass is fixed. The upper cover part and the lower cover part may be screwed, and the lower cover part and the heat dissipation member may be coupled by welding.

A heat dissipation member having a flat plate shape and having heat dissipation characteristics, at least one printed circuit board mounted on an upper surface of the heat dissipation member, and at least one light emitting diode mounted on the printed circuit board to generate light; A light emitting module comprising: a cover coupled to the heat dissipation member to protect the light emitting module, the cover having an opening for emitting light from the light emitting module, and a cover coupled to the cover to cover the opening of the cover. Explosion-proof lamp including a tempered glass having a flat plate shape so as to face at equal intervals and a voltage converter for converting an AC voltage supplied from outside into a DC voltage, and stably converting the DC voltage applied from the voltage converter to the explosion-proof lamp. A driver for distributing and an explosion-proof box for sealing the driver and the voltage converter; It includes a power supply.

According to the explosion-proof lamp and the explosion-proof lamp system including the same according to the present invention, the explosion-proof lamp is formed in the form of a flat plate, and has high illuminance even in an industrial facility in which gaseous or dusty dangerous substances are interspersed. The expansion of the explosion can be prevented.

1 is a perspective view of an explosion proof lamp according to an embodiment of the present invention.
FIG. 2 is an exploded cross-sectional view taken along the line II ′ of the explosion-proof lamp illustrated in FIG. 1.
3 is a coupling diagram combining the explosion-proof lamp shown in FIG.
4 is a plan view of the explosion-proof lamp illustrated in FIG. 1.
5 is a view for explaining in detail the explosion-proof light system according to an embodiment of the present invention.

The present invention is capable of various modifications and various forms, and specific embodiments are illustrated in the drawings and described in detail in the text. It should be understood, however, that the invention is not intended to be limited to the particular forms disclosed, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. Singular expressions include plural expressions unless the context clearly indicates otherwise. In the present application, the terms "comprising" or "having ", and the like, are intended to specify the presence of stated features, integers, steps, operations, elements, parts, or combinations thereof, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, parts, or combinations thereof.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the meaning in the context of the relevant art and are to be interpreted as ideal or overly formal in meaning unless explicitly defined in the present application Do not.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a perspective view of an explosion proof lamp according to an embodiment of the present invention.

FIG. 2 is an exploded cross-sectional view of the explosion-proof lamp illustrated in FIG. 1 taken along line II ′.

3 is a coupling diagram combining the explosion-proof lamp shown in FIG.

1 to 3, the explosion proof lamp according to the present embodiment includes a heat dissipation member 100, a light emitting module 200, a cover 300, and tempered glass 400.

The heat dissipation member 100 emits heat generated in the explosion-proof to the outside. The heat dissipation member 100 is formed in a flat plate shape. The material of the heat dissipation member 100 includes aluminum, iron, tungsten and an alloy mixed with other materials having high thermal conductivity. The size of the heat dissipation member 100 may be formed in various ways in consideration of the size of the explosion-proof. Meanwhile, a plurality of heat dissipation fins 110 may be formed under the heat dissipation member 100 for effective heat dissipation. The heat dissipation fins 110 may be formed of the same material as the material of the heat dissipation member 100. The heat dissipation fins 100 may be formed to protrude in a direction perpendicular to the heat dissipation member 100 by contacting a lower portion of the heat dissipation member 100.

4 is a plan view of the explosion-proof lamp illustrated in FIG. 1.

Referring to FIG. 4, the light emitting module 200 includes a printed circuit board 210 and a light emitting diode 220.

At least one printed circuit board 210 is mounted on an upper surface of the heat dissipation member 100. The printed circuit board 210 is formed in a flat plate shape facing the heat dissipation member 100. The printed circuit board 210 includes a printed circuit board that is generally used. When the printed circuit board 210 employs a metal printed circuit board having a high heat dissipation effect, the printed circuit board 210 may effectively dissipate heat generated in the explosion-proof. Can be. The printed circuit board 210 may be formed in direct contact with the heat radiating member 100.

The printed circuit board 210 may be detachable from the heat dissipation member 100 by a coupling member (not shown). The coupling member includes screws, bolts and nuts, pins, and the like. In addition, the printed circuit board 210 and the heat dissipation member 100 may be formed in a fixed form by welding or the like.

The number of the printed circuit board 210 may be a large number in consideration of the location and location where the explosion-proof light is used. When the number of the printed circuit board 210 is large, the printed circuit board 210 may be arranged in various forms. For example, the printed circuit boards 210 may be disposed in parallel with each other in contact with the heat radiating member 100.

The light emitting diode 220 generates light by receiving a driving voltage supplied from the outside through the printed circuit board 210. The light emitting diode 220 includes a red light emitting diode for generating red light and a blue light emitting diode for generating blue light. The light emitting diodes 220 may be mounted on the printed circuit board 210, and a plurality of light emitting diodes 220 may be formed on one printed circuit board 210.

1 to 3, the cover 300 is coupled to the heat dissipation member 100 to protect the light emitting module 200. The cover 300 may be formed with an opening for emitting light generated from the light emitting module 200. The cover 300 includes a lower cover part 310 and an upper cover part 320.

The lower cover part 310 may be coupled to an upper surface of the heat dissipation member 100 to surround the light emitting module 200. When viewed from the upper surface of the lower cover portion 310, the lower cover portion 310 may be formed in the form of a substantially square, triangle, circular, etc., various in consideration of the illuminance and aesthetic appearance of the explosion-proof, etc. It may be formed in the form.

The material of the lower cover part 310 includes iron, tungsten, alloy, and synthetic resin having high strength, etc., which are highly durable to withstand the internal pressure caused by the explosion. In addition, the lower cover part 310 may have a through hole (not shown) through which a connection cable (not shown) for electrical connection between the light emitting module 200 and an external power supply device (not shown) passes. have. The through hole may be formed at various positions of the lower cover portion 310 and may have the same or larger diameter than the diameter of the connection cable.

The upper cover part 320 is mounted in direct contact with an upper surface of the lower cover part 310. The shape and material of the upper cover part 320 may be the same as the shape and material of the lower cover part 310. Here, the upper cover part 320 and the lower cover part 310 may be detachable to replace or to repair the printed circuit board 210. For example, the upper cover part 320 and the lower cover part 310 may be detachable by screwing.

The tempered glass 400 covers the opening and passes light generated by the light emitting diodes 220. The tempered glass 400 refers to glass that is durable against external impact or high temperature. For example, the tempered glass 400 is formed by quenching the molded general plate glass by cooling air compressed by heating at 500 ° C to 600 ° C. The tempered glass 400 has a flat plate shape parallel to the printed circuit board 210, is spaced apart from the light emitting diode 220 mounted on the printed circuit board 210, and is coupled to and fixed to the upper cover part 320. Can be.

The thickness of the tempered glass 400 may be formed in various thicknesses in consideration of the internal pressure caused by the explosion when an explosion occurs inside the explosion-proof. For example, the thickness of the tempered glass 400, the cover 300 of the cover 300 to prevent the explosion due to electrical and mechanical defects inside the explosion-proof and to prevent the explosion from expanding to the outside of the explosion-proof, etc. Each surface standard and the distance between the tempered glass 400 and the light emitting diode 220 may be formed to be constant.

It should be noted that, as the thickness of the tempered glass 400 increases, durability to withstand the pressure of the explosion generated inside the explosion-proof lamp may be improved, but the weight of the explosion-proof lamp becomes much heavier and the problem of lowering the illuminance of the explosion-proof lamp have. In addition, since the size of each surface of the cover 300 and the separation distance of the light emitting diode 220 correspond to a space where the hazardous materials inside the explosion-proof light can be sucked, the larger the space is generated by the internal explosion of the explosion-proof light. There is a problem of increasing the internal pressure.

As a size in consideration of the above problem, for example, the size of the cover 300 is a square having a length of each surface of 260 mm to 320 mm, and the distance between the light emitting diode 220 and the tempered glass 400 is 10 mm. When formed in the 20 ~ 20 mm, the thickness of the tempered glass 400 is 16mm ~ 22 mm is formed to minimize the internal pressure generated by the internal explosion of the explosion-proof lamp and improve the durability of the explosion-proof lamp. Here, the square is a rough description of the overall shape of the cover such as the explosion-proof. Therefore, as shown in FIG. 1, the edge portion of the cover 300 may be formed in a spherical shape instead of a right angle shape.

Hereinafter, an explosion-proof lamp system including the explosion-proof lamp according to an embodiment of the present invention.

5 is a view for explaining in detail the explosion-proof system including the explosion-proof lamp shown in FIG.

Referring to Figure 5, explosion-proof lamp system according to an embodiment of the present invention includes an explosion-proof lamp 10 and the power supply device (20).

The explosion-proof lamp 10 has the same structure as the explosion-proof lamp described above with reference to FIGS. 1 to 4 and a detailed description thereof will be omitted. The explosion-proof system may include at least one or more explosion-proof lights 10 as shown in FIG. That is, the explosion-proof system may be formed with a plurality of explosion-proof lamps 10 according to the size and location of the industrial facilities in which dangerous substances are scattered.

The power supply device 20 receives power from the outside and stably supplies the explosion-proof lamp 10. The power supply device 20 is separated from the explosion-proof light 10 to apply driving power to the explosion-proof light 10 through a power cable (not shown). The power supply device 20 includes a voltage converter 21, a driver 22 and an explosion-proof box (23).

The voltage converter 21 converts an AC voltage supplied from the outside into a DC voltage. The voltage converter 21 stably converts the supplied AC voltage into a DC voltage required for the explosion-proof lamp 10. The voltage converter 21 may include an electromagnetic interference filter unit, an AC-DC rectifier, a DC-DC switch converter, an output unit, and the like. The voltage converter 21 may be formed in a number depending on the number of the explosion-proof lamp (10).

The driver 22 reliably distributes the DC voltage applied from the voltage converter 21 to the explosion-proof lamp to drive the explosion-proof lamp 10.

The explosion-proof box 23 places the driver 22 and the voltage converter 21 inside the explosion-proof box and seals the driver 22 and the voltage converter 21 from an environment of an external industrial facility. . The explosion-proof box 23 is to extend the flame and explosion that can be caused by electrical or mechanical defects inside the driver 22 and the voltage converter 21 to the outside of the explosion-proof box 23. prevent.

As described above, the explosion-proof lamp according to the present invention and the explosion-proof lamp system including the same are formed in a flat plate shape to mount a plurality of LED chips, and have high illuminance in an industrial facility in which dangerous substances in a gas or dust state are increased, thereby increasing work efficiency and I can aim for safety. In addition, the space for the dangerous substances in the gas or dust state can be sucked inside the explosion-proof light is small, it is possible to reduce the pressure due to the flame generation and explosion due to electrical or mechanical defects.

On the other hand, the explosion-proof lamp system according to the present invention can be separated from the explosion-proof lamp and the power supply to reduce the explosion caused by electrical or mechanical defects, the voltage converter and the driver is sealed by the explosion-proof box is caused by electrical or mechanical defects The internal explosion of the power supply can be prevented from expanding outward.

While the present invention has been described in connection with what is presently considered to be practical and exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

100: heat dissipation member 110: heat dissipation fin
200: light emitting module 210: printed circuit board
220: light emitting diode 300: cover
310: lower cover part 320: upper cover part
400: tempered glass 10: explosion proof lamp
20: power supply device 21: voltage converter
22: driver 23: explosion proof box

Claims (6)

A heat dissipation member having an upper surface having a flat plate shape and having heat dissipation characteristics;
A light emitting module including at least one printed circuit board mounted on an upper surface of the heat radiating member and at least one light emitting diode mounted on the printed circuit board to generate light;
A cover coupled to the heat dissipation member to protect the light emitting module and having an opening configured to emit light from the light emitting module; And
Explosion-proof lamp coupled to the cover to cover the opening of the cover, comprising a tempered glass having a flat plate shape to face the printed circuit board at equal intervals.
The method of claim 1,
The cover is formed in the shape of a square each side of 260 mm ~ 320 mm,
The tempered glass is formed to a thickness of 16mm ~ 22 mm,
Explosion-proof lamp, characterized in that the separation distance of the light emitting diode and the tempered glass is formed from 10 mm to 20 mm.
The method of claim 1,
The light emitting module includes a plurality of the printed circuit boards arranged in parallel with each other, wherein each of the plurality of light emitting diodes are mounted on each printed circuit board at regular intervals.
The method of claim 1,
The cover is coupled to the upper surface of the heat dissipation member, the lower cover portion surrounding the light emitting module; And
Explosion-proof lamp, characterized in that coupled to the lower cover portion, the upper cover portion is fixed to the tempered glass.
5. The method of claim 4,
Explosion proof lamp, characterized in that the upper cover portion and the lower cover portion is screwed, the lower cover portion and the heat dissipation member is coupled by welding.
A heat dissipation member having a flat plate shape and having heat dissipation characteristics, at least one printed circuit board mounted on an upper surface of the heat dissipation member, and at least one light emitting diode mounted on the printed circuit board to generate light; A light emitting module comprising: a cover coupled to the heat dissipation member to protect the light emitting module, the cover having an opening for emitting light from the light emitting module, and a cover coupled to the cover to cover the opening of the cover. Explosion-proof lamps including tempered glass having a flat plate shape so as to face at equal intervals; And
A voltage converter for converting an externally supplied AC voltage into a DC voltage, a driver for stably distributing the DC voltage applied from the voltage converter to the explosion-proof device, and an explosion-proof box for sealing the voltage converter and the driver. Explosion proof lamp system comprising a power supply.

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