Explosion-proof LED roadway illuminating lamp

Abstract

The utility model discloses an explosion-proof LED roadway illuminating lamp which comprises a shell, a partition plate in the shell divides the inner space of the shell into an upper mounting cavity and a lower mounting cavity, a protruding part is arranged on the side wall of the upper mounting cavity, and a first screw hole is formed in the protruding part; a circle of skirt edge is arranged on the rear cover, a second screw hole is formed in the position, corresponding to the first screw hole, of the skirt edge, a first enclosure is arranged below the skirt edge, at least one sealing groove is formed in the first enclosure, a sealing ring is arranged in the sealing groove, the first enclosure is inserted into the upper mounting cavity, and the outer surface of the first enclosure is attached to the inner surface of the upper mounting cavity; the lighting assembly is arranged in the lower mounting cavity; the pressing frame is detachably connected with the end, close to the lower mounting cavity, of the shell, a circle of second enclosure is arranged on the pressing frame, and the inner surface of the second enclosure is attached to the outer surface of the third enclosure on the shell. The mining explosion-proof LED roadway illuminating lamp can solve the problem that an existing mining explosion-proof LED roadway illuminating lamp is poor in sealing effect.

Description

Technical Field

[0001] The utility model relates to the field of lighting equipment, in particular to an explosion-proof LED lane lighting lamp. Background Art

[0002] Most of the existing mineral mining is done underground, such as coal mines, which will result in many mines and underground tunnels. In order to keep these tunnels bright, LED tunnel lights need to be installed at the top of the tunnels. LED tunnel lights are suitable for occasions where there are explosive gas mixtures such as methane and coal dust in coal mines; such as lighting for coal mine transportation tunnels, pit bottom parking lots, electromechanical cave rooms, return air tunnels, coal preparation plants, etc.

[0003] At present, in order to prevent dust in the tunnel from entering the LED tunnel lights during actual use, the LED tunnel lights need to be made into a closed structure to prevent dust from entering the LED tunnel lights. However, the existing LED tunnel lights are directly connected between the lamp housing and the lamp cover by screws, such as the flameproof LED bracket lamp for mining disclosed in Chinese patent CN202320597392.9, which has poor sealing effect and is prone to cause safety hazards. Utility Model Content

[0004] The utility model aims to solve the problem of poor sealing effect of existing flameproof LED tunnel lighting lamps for mines and to provide a flameproof LED tunnel lighting lamp.

[0005] In order to achieve the above object, the utility model provides a flameproof LED lane lighting lamp, which includes:

[0006] A shell, wherein a partition inside the shell divides the internal space of the shell into an upper mounting cavity and a lower mounting cavity, a side wall of the upper mounting cavity is provided with a protrusion, and the protrusion is provided with a first screw hole;

[0007] A rear cover, wherein a circle of skirt is provided on the rear cover, a second screw hole is provided on the skirt at a position corresponding to the first screw hole, a first enclosure is provided below the skirt, at least one sealing groove is provided on the first enclosure, a sealing ring is provided in the sealing groove, the first enclosure is inserted into the upper mounting cavity, and an outer surface of the first enclosure is in contact with an inner surface of the upper mounting cavity;

[0008] a lighting assembly, wherein the lighting assembly is disposed in the lower mounting cavity;

[0009] A pressing frame is detachably connected to one end of the shell body close to the lower mounting cavity, and a circle of second enclosure is arranged on the pressing frame, and the inner surface of the second enclosure is in contact with the outer surface of the third enclosure on the shell body.

[0010] As a further description of the above technical solution:

[0011] A fourth enclosure is arranged inside the second enclosure, the top of the fourth enclosure is in contact with the shell, and a plurality of baffles are arranged at intervals between the fourth enclosure and the second enclosure.

[0012] As a further description of the above technical solution:

[0013] The pressing frame is provided with a plurality of third screw holes, the third screw holes are located between the second enclosure and the fourth enclosure, and the shell is provided with fourth screw holes at positions corresponding to the third screw holes.

[0014] As a further description of the above technical solution:

[0015] The lighting assembly comprises a light source board, a lens and a reflector. The lens is arranged on a side of the light source board where light is emitted, and the reflector is arranged on the lens.

[0016] As a further description of the above technical solution:

[0017] A tempered transparent glass is arranged on one side of the reflector close to the pressing frame.

[0018] As a further description of the above technical solution:

[0019] The shell and the back cover are both provided with a plurality of heat dissipation fins.

[0020] As a further description of the above technical solution:

[0021] The rear cover is rotatably connected with a mounting bracket, and the mounting bracket is provided with at least one mounting hole.

[0022] As a further description of the above technical solution:

[0023] The shell, the back cover and the pressing frame are made of aluminum.

[0024] In summary, due to the adoption of the above technical solution, the beneficial effects of the utility model are:

[0025] 1. In the utility model, the first enclosure on the rear cover is inserted into the upper mounting cavity, and the outer surface of the first enclosure fits with the inner surface of the upper mounting cavity. At the same time, a sealing groove is provided on the first enclosure, and an elastic sealing ring is installed in the sealing groove, so that the sealing effect between the rear cover and the shell can be improved; the inner surface of the second enclosure on the pressing frame fits with the outer surface of the third enclosure on the shell, and the top of the fourth enclosure abuts against the shell. A number of baffles arranged at intervals are provided between the fourth enclosure and the second enclosure, so that the sealing effect between the pressing frame and the shell can be improved, the possibility of dust entering the lamp is reduced, and it is safer.

[0026] 2. In the utility model, the light brightness is moderate through the combination of tempered transparent glass, reflector and lens, which can not only meet the lighting needs, but also ensure the safety of operation and improve work efficiency; the light source board is an LED light board, and the LED cold light source has low heat generation and high safety and reliability. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0028] Figure 1 This is a structural schematic diagram of an explosion-proof LED tunnel lighting lamp.

[0029] Figure 2 This is an exploded view of a flameproof LED tunnel lighting design.

[0030] Figure 3 A cross-sectional view of the shell of an explosion-proof LED tunnel lighting lamp.

[0031] Figure 4 for Figure 3 Enlarged view of point A in the middle.

[0032] Figure 5 for Figure 3 Enlarged view of point A in the middle.

[0033] Figure 6 This is a schematic diagram of the structure of the shell of an explosion-proof LED tunnel lighting lamp.

[0034] Figure 7 This is a schematic diagram of the structure of the rear cover of an explosion-proof LED tunnel lighting lamp.

[0035] Figure 8 This is a schematic diagram of the structure of a medium-pressure frame for an explosion-proof LED tunnel lighting lamp.

[0036] Legend:

[0037] 1. Shell; 2. Upper mounting cavity; 3. Lower mounting cavity; 4. Protrusion; 5. First screw hole; 6. Back cover; 7. Skirt; 8. Second screw hole; 9. First enclosure; 91. Sealing groove; 10. Press frame; 11. Second enclosure; 12. Third enclosure; 13. Fourth enclosure; 14. Baffle; 15. Third screw hole; 16. Fourth screw hole; 17. Light source board; 18. Lens; 19. Reflector; 20. Tempered transparent glass; 21. Heat sink fins; 22. Mounting bracket. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0039] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0040] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0041] In the description of the embodiments of the present utility model, it should be noted that the terms "upper", "inner", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, or are directions or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present utility model.

[0042] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0043] See also Figure 1-8 The utility model provides a flameproof LED lane lighting lamp, which includes:

[0044] A housing 1, wherein a partition inside the housing 1 divides the internal space of the housing 1 into an upper mounting cavity 2 and a lower mounting cavity 3, a side wall of the upper mounting cavity 2 is provided with a protrusion 4, and the protrusion 4 is provided with a first screw hole 5;

[0045] A rear cover 6, wherein a circle of skirt 7 is arranged on the rear cover 6, a second screw hole 8 is arranged on the skirt 7 at a position corresponding to the first screw hole 5, a first enclosure 9 is arranged below the skirt 7, at least one sealing groove 91 is arranged on the first enclosure 9, a sealing ring is arranged in the sealing groove 91, the first enclosure 9 is inserted into the upper mounting cavity 2, and the outer surface of the first enclosure 9 is in contact with the inner surface of the upper mounting cavity 2; after the rear cover is mounted on the housing, it is fixed by screws inserted into the first screw hole and the second screw hole;

[0046] A lighting assembly, wherein the lighting assembly is arranged in the lower mounting cavity 3;

[0047] The pressing frame 10 is detachably connected to one end of the shell 1 close to the lower mounting cavity 3 . A circle of second enclosure 11 is provided on the pressing frame 10 . The inner surface of the second enclosure 11 fits with the outer surface of the third enclosure 12 on the shell 1 .

[0048] A fourth enclosure 13 is disposed inside the second enclosure 11, the top of the fourth enclosure 13 abuts against the housing 1, and a plurality of spaced baffles 14 are disposed between the fourth enclosure 13 and the second enclosure 11. The height of the fourth enclosure is lower than that of the second enclosure, and the fourth enclosure and the second enclosure form a double sealing structure, and the fourth enclosure is also used to abut against the tempered transparent glass to achieve the purpose of limiting.

[0049] The pressing frame 10 is provided with a plurality of third screw holes 15, the third screw holes 15 are located between the second enclosure 11 and the fourth enclosure 13, and the housing 1 is provided with fourth screw holes 16 at positions corresponding to the third screw holes 15. The pressing frame is detachably connected to the housing by screws, and the screws are inserted into the third screw holes and the fourth screw holes.

[0050] The lighting assembly includes a light source board 17, a lens 18 and a reflector 19. The lens 18 is arranged on the light-emitting side of the light source board 17, and the reflector 19 is arranged on the lens 18. The light source board is an LED light board. The LED cold light source has low heat generation and high safety and reliability. Each LED lamp bead is controlled separately, which can improve the service life. The lens and the light source board are fixed in the lower mounting cavity by screws. Screw holes are respectively arranged at the four corners of the lower mounting cavity, and the reflector is connected in the screw holes by screws. The LED driver is designed with an input voltage of AC40-260V wide voltage, and it also has low voltage and over-temperature protection. It is suitable for use in environments with high humidity, high dust, strong vibration, and large voltage fluctuation range, ensuring the stability of the lamp performance.

[0051] A tempered transparent glass 20 is disposed on one side of the reflector 19 close to the pressing frame 10 .

[0052] The housing 1 and the back cover are both provided with a plurality of heat dissipation fins 21, which can improve the heat dissipation effect.

[0053] The rear cover 6 is rotatably connected with a mounting bracket 22, and at least one mounting hole is provided on the mounting bracket 22. The mounting bracket 22 can be installed by mounting the bracket or hanging, and the angle and movement can be adjusted according to the specific operation to adapt to different operation requirements to ensure its stability and reliability.

[0054] The shell 1, the back cover 6 and the pressing frame 10 are made of aluminum. The shell adopts an integrated design, and the shell protection level reaches the high standard IP66, which limits the surface temperature of the lamp. In addition, the multi-fin heat dissipation ribs of the shell itself make the temperature of the lamp shell not have the ability to ignite the explosive mixture of gas and coal dust, thereby protecting the personnel and equipment in the coal mine.

[0055] Working principle: The first enclosure on the rear cover is inserted into the upper mounting cavity, and the outer surface of the first enclosure fits with the inner surface of the upper mounting cavity. At the same time, a sealing groove is set on the first enclosure, and an elastic sealing ring is installed in the sealing groove, which can improve the sealing effect between the rear cover and the shell; the inner surface of the second enclosure on the pressing frame fits with the outer surface of the third enclosure on the shell, and the top of the fourth enclosure abuts against the shell. There are several baffles set at intervals between the fourth enclosure and the second enclosure, which can improve the sealing effect between the pressing frame and the shell, reduce the possibility of dust entering the lamp, and make it safer. Through the combination of tempered transparent glass, reflector and lens, the light brightness is guaranteed to be moderate, which can not only meet the lighting needs, but also ensure the safety of operation and improve work efficiency; the light source board is an LED light board, and the LED cold light source has low heat generation and high safety and reliability.

[0056] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An explosion-proof LED laneway lighting lamp, characterized in that: include: A shell, wherein a partition inside the shell divides the internal space of the shell into an upper mounting cavity and a lower mounting cavity, a side wall of the upper mounting cavity is provided with a protrusion, and the protrusion is provided with a first screw hole; A rear cover, wherein a circle of skirt is provided on the rear cover, a second screw hole is provided on the skirt at a position corresponding to the first screw hole, a first enclosure is provided below the skirt, at least one sealing groove is provided on the first enclosure, a sealing ring is provided in the sealing groove, the first enclosure is inserted into the upper mounting cavity, and an outer surface of the first enclosure is in contact with an inner surface of the upper mounting cavity; a lighting assembly, wherein the lighting assembly is disposed in the lower mounting cavity; A pressing frame is detachably connected to one end of the shell body close to the lower mounting cavity, and a circle of second enclosure is arranged on the pressing frame, and the inner surface of the second enclosure is in contact with the outer surface of the third enclosure on the shell body.

2. The flameproof LED lane lighting lamp according to claim 1, characterized in that: A fourth enclosure is arranged inside the second enclosure, the top of the fourth enclosure is in contact with the shell, and a plurality of baffles are arranged at intervals between the fourth enclosure and the second enclosure.

3. The flameproof LED lane lighting lamp according to claim 2 is characterized in that: The pressing frame is provided with a plurality of third screw holes, the third screw holes are located between the second enclosure and the fourth enclosure, and the shell is provided with fourth screw holes at positions corresponding to the third screw holes.

4. The flameproof LED lane lighting lamp according to claim 1, characterized in that: The lighting assembly comprises a light source board, a lens and a reflector. The lens is arranged on a side of the light source board where light is emitted, and the reflector is arranged on the lens.

5. The flameproof LED lane lighting lamp according to claim 4 is characterized in that: A tempered transparent glass is arranged on one side of the reflector close to the pressing frame.

6. The flameproof LED laneway lighting lamp according to claim 1, characterized in that: The shell and the back cover are both provided with a plurality of heat dissipation fins.

7. The flameproof LED laneway lighting lamp according to claim 1, characterized in that: The rear cover is rotatably connected with a mounting bracket, and the mounting bracket is provided with at least one mounting hole.

8. The flameproof LED laneway lighting lamp according to claim 1, characterized in that: The shell, the back cover and the pressing frame are made of aluminum.

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