CN218721336U - Explosion-proof boundary lamp - Google Patents

Abstract

The utility model discloses an explosion-proof boundary lamp, which comprises a shell, an upper cover and a lampshade which are connected in a sealing way, wherein a first cavity formed by the upper cover and the lampshade is internally provided with a light source module and a radiator, the radiator comprises a cone-shaped upper part and a columnar lower part, and the light source module is arranged along the circumference of the cone-shaped upper part; a driving module is arranged in a second cavity formed by the upper cover and the shell, and the driving module is electrically connected with the light source module; the radiator is provided with a communication hole for communicating the first cavity and the second cavity. The utility model discloses set up the intercommunicating pore that communicates first cavity and second cavity at the radiator, the fixed plate adopts the design of fretwork, increases the area of lining up, reduces the pressure overlap, promotes the explosion-proof performance; set up a plurality of recesses formation labyrinth waterproof construction at upper cover and casing junction, the cooperation sealing washer improves the protection level.

Description

Explosion-proof boundary lamp

Technical Field

The utility model relates to an illumination lamps and lanterns especially relate to an explosion-proof boundary lamp.

Background

The explosion-proof boundary lamp is used on various offshore platforms (an area I and an area II with explosive gas atmosphere and a conventional environment), is installed in a ship deck helicopter take-off and landing boundary area, is used for constructing a boundary outline, guides the helicopter to safely take off and land at night or under the condition of low visibility, and provides effective visual signals.

The prior explosion-proof boundary lamp has the following defects: 1. in terms of explosion-proof performance, the interior of the lamp is usually divided into two independent spaces provided with a light source assembly and a control assembly, and a pressure overlapping phenomenon can be generated, so that the lamp can bear larger explosion pressure under the same condition; the explosion-proof performance is affected; 2. for the protection performance of the shell, the protection performance is insufficient because a sealing ring is usually arranged at the joint surface of the shell; 3. in terms of optical performance, the light intensity distribution of the lamp is particularly high at the top of the lamp, but the angle of the light intensity distribution is lower on the horizontal side, so that correct light guide cannot be provided for a helicopter driver well, and glare and other hazards can be caused by too high light intensity at the top when the helicopter driver lands. Therefore, there is a need for an explosion-proof boundary lamp with improved explosion-proof performance by reducing pressure overlap.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that an explosion-proof boundary lamp is provided, the inside partition of cavity of solving current explosion-proof boundary lamp leads to pressure to overlap, influences explosion-proof performance's problem.

The technical solution adopted by the present invention to solve the above technical problems is to provide an explosion-proof boundary lamp, which comprises a housing, an upper cover and a lampshade, wherein the housing, the upper cover and the lampshade are hermetically connected, a first cavity formed by the upper cover and the lampshade is provided with a light source module and a radiator, the radiator comprises a cone-shaped upper part and a column-shaped lower part, and the light source module is arranged along the circumference of the cone-shaped upper part; a driving module is arranged in a second cavity formed by the upper cover and the shell, and the driving module is electrically connected with the light source module; the radiator is provided with a communication hole for communicating the first cavity and the second cavity.

Further, still include the clamping ring, the clamping ring sets up in the upper cover and with upper cover threaded connection, the clamping ring will the lamp shade compresses tightly fixedly to the upper cover, install the fixed plate on the clamping ring, the radiator sets up on the fixed plate, the fixed plate fretwork sets up the intercommunication first cavity with the second cavity.

Furthermore, a fixing boss extends from the outer wall of the upper cover, and a first groove is formed in the inner side of the fixing boss; a bulge matched with the first groove is arranged on the inner side of the top of the shell, when the upper cover is covered on the shell, the bottom end of the upper cover is inserted into the shell, and the bulge is inserted into the first groove; the top of the shell is also provided with a second groove, and a first sealing ring is arranged in the second groove.

Furthermore, the upper cover with the junction of lamp shade is provided with the third recess, be provided with the second sealing washer in the third recess.

Further, the number of the light source modules is 8-12, and the light source modules are uniformly distributed in the circumferential direction of the conical upper part.

Further, the taper angle of the tapered upper portion is 20-40 degrees, so that the inclination angle of the light source module is 70-80 degrees.

The light source module is electrically connected with the light source adapter plate, and the light source adapter plate is electrically connected with the driving module.

Furthermore, a wiring terminal is further arranged in the second cavity, and the wiring terminal and the driving module are both fixed in the shell; and a stuffing box for leading in the cable is arranged on the shell.

Further, the outer side of the bottom of the shell is provided with a fixing lug.

Furthermore, the radiator and the fixing plate are both made of aluminum alloy.

The utility model discloses contrast prior art has following beneficial effect: the utility model provides an explosion-proof boundary lamp sets up the intercommunicating pore that communicates first cavity and second cavity at the radiator, increases the through area of two spaces, and the fixed plate adopts the design of fretwork, further increases the through area, reduces the pressure overlap, promotes explosion-proof performance; a plurality of grooves are formed at the joint of the upper cover and the shell to form a labyrinth waterproof structure, and a sealing ring is matched to improve the protection grade; the radiator with the conical structure is arranged, the light sources are arranged in the circumferential direction, the highest light intensity is concentrated at 0-10 degrees by the angle design of the conical structure and the refraction effect of the glass lampshade, and light guiding is facilitated.

Drawings

FIG. 1 is an exploded view of an explosion-proof border lamp according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of an explosion-proof boundary lamp in an embodiment of the present invention;

fig. 3 is a cross-sectional view of the upper cover in the embodiment of the present invention

Fig. 4 is a sectional view of a housing in an embodiment of the invention;

fig. 5 is a schematic view illustrating the connection between the housing and the upper cover according to an embodiment of the present invention.

In the figure:

1. a drive module; 2. a housing; 3. a fixing plate; 4. a first seal ring; 5. a light source adapter plate; 6. a heat sink; 7. a wiring terminal; 8. a light source module; 9. pressing a ring; 10. an upper cover; 11. a lamp shade; 12. a second seal ring; 13. a stuffing box; 14. a first cavity; 15. a second cavity; 21. a protrusion; 22. a second groove; 23. fixing the ear; 61. a communicating hole; 101. fixing the boss; 102. a first groove; 103. and a third groove.

Detailed Description

The invention is further described with reference to the following figures and examples.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations. Furthermore, the terms "first," "second," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.

FIG. 1 is an exploded view of an explosion-proof boundary lamp in an embodiment of the present invention; fig. 2 is a sectional view of the explosion-proof boundary lamp according to the embodiment of the present invention.

Referring to fig. 1 and 2, an explosion-proof boundary lamp according to an embodiment of the present invention includes a housing 2, an upper cover 10 and a lamp cover 11, which are hermetically connected, a light source module 8 and a heat sink 6 are disposed in a first cavity 14 formed by the upper cover 10 and the lamp cover 11, the heat sink 6 includes a cone-shaped upper portion and a column-shaped lower portion, and the light source module 8 is disposed along a circumferential direction of the cone-shaped upper portion; a driving module 1 is arranged in a second cavity 15 formed by the upper cover 10 and the shell 2, and the driving module 1 is electrically connected with the light source module 8; the heat sink 6 is provided with a communication hole 61 that communicates the first chamber 14 and the second chamber 15.

Specifically, still include clamping ring 9, clamping ring 9 sets up in upper cover 10 and with upper cover 10 threaded connection, clamping ring 9 compresses tightly lamp shade 11 and fixes to upper cover 10, installs fixed plate 3 on the clamping ring 9, and radiator 6 sets up on fixed plate 3, and fixed plate 3 fretwork sets up first cavity 14 of intercommunication and second cavity 15.

Preferably, the number of the light source modules 8 is 8-12, and the light source modules 8 are uniformly distributed in the circumferential direction of the conical upper portion. The taper angle of the tapered upper portion is 20 ° to 40 °, so that the inclination angle of the light source module 8 is 70 ° to 80 °. The refraction effect of the lampshade 11 is matched, so that the highest light intensity of the lamp is concentrated at 0-10 degrees under the condition that secondary light distribution of the lens is not needed, light guiding is facilitated, and the requirement of CAP437 on the light intensity of a boundary lamp is met. The relationship between angle and light intensity is shown in the following table 1.

TABLE 1 illumination Angle corresponding light intensity Meter

Pitching angle	Azimuth angle	Light intensity (min.)	Light intensity (max.)
				0°-10°	-180°-+180°	30cd	60cd
10°-20°	-180°-+180°	15cd	60cd
				20°-90°	-180°-+180°	3cd	60cd

Preferably, the light source module further comprises a light source adapter plate 5, the light source module 8 is electrically connected with the light source adapter plate 5, and the light source adapter plate 5 is electrically connected with the driving module 1.

Referring to fig. 3-5, in the explosion-proof boundary lamp according to the embodiment of the present invention, a fixing protrusion 101 extends from an outer wall of the upper cover 10, and a first groove 102 is formed inside the fixing protrusion 101; a bulge 21 matched with the first groove 102 is arranged on the inner side of the top of the shell 2, when the upper cover 10 is covered on the shell 2, the bottom end of the upper cover 10 is inserted into the shell 2, and the bulge 21 is inserted into the first groove 102; the top of the shell 2 is also provided with a second groove 22, and the second groove 22 is provided with a first sealing ring 4. When the upper cover 10 is connected with the shell 2, the first groove 102 and the second groove 22 form a labyrinth structure, and the first sealing ring 4 arranged in the second groove 22 is matched, so that the protection grade is improved, and the protection grade is IP66/IP67.

Preferably, the upper cover 10 is provided with a third groove 103 at the connection with the lamp housing 11, and a second sealing ring 12 is disposed in the third groove 103. The sealing of the connection between the lampshade 11 and the upper cover 10 is realized.

Specifically, the second cavity 15 is further provided with a wiring terminal 7, and the wiring terminal 7 and the driving module 1 are both fixed in the housing 2; the casing 2 is provided with a stuffing box 13 for introducing cables, so that the sealing of the cable introducing position is realized.

Preferably, the housing 2 is provided with fixing lugs 23 on the outside of the bottom thereof. The lamp is directly fixed through the fixing lugs 23, and a fixing support does not need to be additionally arranged to fix the lamp.

Preferably, the radiator 6 and the fixing plate 3 are made of aluminum alloy, so that the radiating effect is good.

To sum up, in the explosion-proof boundary lamp provided by the utility model, the radiator 6 is provided with the communication hole 61 for communicating the first cavity 14 and the second cavity 15, the through areas of the two spaces are increased, the fixing plate 3 adopts a hollow design, the through area is further increased, the pressure overlapping is reduced, and the explosion-proof performance is improved; a plurality of grooves are arranged at the joint of the upper cover 10 and the shell 2 to form a labyrinth waterproof structure, and a sealing ring is matched to improve the protection grade; the radiator 6 with the conical structure is arranged, the light sources are arranged in the circumferential direction, the highest light intensity is concentrated at 0-10 degrees by the aid of the angle design of the conical structure and the refraction effect of the lampshade 11, and light guiding is facilitated.

Although the present invention has been described with reference to the preferred embodiments, 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.

Claims (10)

1. An explosion-proof boundary lamp is characterized by comprising a shell, an upper cover and a lampshade which are connected in a sealing manner, wherein a first cavity formed by the upper cover and the lampshade is internally provided with a light source module and a radiator, the radiator comprises a conical upper part and a columnar lower part, and the light source module is arranged along the circumferential direction of the conical upper part; a driving module is arranged in a second cavity formed by the upper cover and the shell, and the driving module is electrically connected with the light source module; the radiator is provided with a communication hole for communicating the first cavity and the second cavity.

2. The explosion-proof boundary lamp of claim 1, further comprising a pressing ring disposed in said upper cover and threadedly connected to said upper cover, said pressing ring pressing and fixing said lamp cover to said upper cover, a fixing plate mounted on said pressing ring, said heat sink disposed on said fixing plate, said fixing plate being openly disposed to communicate said first cavity with said second cavity.

3. The explosion proof boundary lamp as defined in claim 1, wherein said upper cover outer wall extends with a fixing boss, said fixing boss being provided with a first recess on an inner side thereof; a bulge matched with the first groove is arranged on the inner side of the top of the shell, when the upper cover is covered on the shell, the bottom end of the upper cover is inserted into the shell, and the bulge is inserted into the first groove; the top of the shell is also provided with a second groove, and a first sealing ring is arranged in the second groove.

4. An explosion proof boundary lamp as defined in claim 1, wherein said upper cover is provided with a third groove at the junction with said lamp housing, said third groove having a second sealing ring disposed therein.

5. The explosion-proof boundary lamp as claimed in claim 1, wherein the number of said light source modules is 8 to 12, said light source modules being distributed uniformly in the circumferential direction of said conical upper portion.

6. The explosion-proof boundary lamp as claimed in claim 5, characterized in that the conical upper part has a cone angle of 20 ° to 40 ° such that the angle of inclination of the light source module is 70 ° to 80 °.

7. The explosion-proof boundary lamp of claim 1 further comprising a light source adapter plate, said light source module being electrically connected to said light source adapter plate, said light source adapter plate being electrically connected to said driver module.

8. The explosion proof boundary lamp as defined in claim 1, further including a terminal disposed in said second chamber, said terminal and said driver module being secured in said housing; and a stuffing box for leading in the cable is arranged on the shell.

9. The explosion proof boundary lamp as defined in claim 1, wherein said housing bottom portion is provided on its exterior side with a securing ear.

10. The explosion-proof boundary lamp as set forth in claim 2, wherein said heat sink and said mounting plate are both made of aluminum alloy.

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