CN213177745U

CN213177745U - Small-size LED explosion-proof lamp

Info

Publication number: CN213177745U
Application number: CN202022775363.6U
Authority: CN
Inventors: 钱金村
Original assignee: Zhejiang Jinrong Explosion Proof Electric Appliance Co ltd
Current assignee: Zhejiang Jinrong Explosion Proof Electric Appliance Co ltd
Priority date: 2020-11-26
Filing date: 2020-11-26
Publication date: 2021-05-11
Anticipated expiration: 2030-11-26

Abstract

The utility model discloses a small-size LED explosion-proof lamp, including lamp shade and lamp stand that top-down set gradually, its characterized in that, the lamp shade includes protecgulum, toughened glass, linear reflector panel, radiator and has the aluminium base board of a plurality of radially distributed LED lamp pearls, the radiator cladding is provided with in the outside portion of cavity and is the cyclic annular heat radiation structure, the heat radiation structure includes that a plurality of both ends connect the inside and outside loop of cyclic annular heat radiation structure respectively and each other the interval radially distributed fin; the utility model improves the heat radiation structure design of the traditional explosion-proof lamp, improves the heat radiation effect by matching with the material of the lamp, effectively and quickly transmits the heat generated by the LED lamp bead to the external environment of the lamp, and prevents the mutual influence by respectively and independently arranging the lamp bead and the driver by forming the double cavities, thereby prolonging the service life of the LED lamp; the utility model discloses a heat radiation structure of LED explosion-proof lamp, rational in infrastructure, heat dispersion is good, has guaranteed the safety in utilization of LED lamps and lanterns.

Description

Small-size LED explosion-proof lamp

Technical Field

The utility model relates to a light technical field involves a small-size LED explosion-proof lamp.

Background

The LED explosion-proof lamp is also called an LED explosion-proof lamp and an explosion-proof illuminating lamp, and is an illuminating lamp for explosive environment protected by an explosion-proof shell. The explosion-proof lamp is used in dangerous places where combustible gas and dust exist, can prevent electric arcs, sparks and high temperature which are possibly generated under the condition that electric equipment elements in a lamp explosion-proof cavity are in failure, ignite the combustible gas and dust permeated in the shell to produce explosion or combustion, and prevent the explosion and the combustion from spreading to the environment of the combustible gas and the dust outside the explosion-proof cavity. The explosion-proof lamp is mainly suitable for dangerous places of production, storage and transportation in industries such as petroleum, chemical industry, medicine, textile, wine brewing, military industry and the like. The traditional LED explosion-proof lamp shell is formed by aluminum alloy die-casting and is processed by surface high-voltage electrostatic powder spraying. However, as is well known, light can generate heat, the heat productivity of the lamp bead is increased along with the longer lighting time of the lamp, the temperature in the explosion-proof cavity is also increased, the aluminum alloy shell cannot meet the heat dissipation of the LED, and along with the continuous high temperature in the cavity, the LED power supply installed in the cavity is always in the high-temperature environment to work and is easy to damage, so that the light attenuation or damage of the lamp is caused, and the service life of the lamp is influenced. Therefore, timely heat dissipation is very important for the LED explosion-proof lamp.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a miniature LED explosion-proof lamp makes it have good heat dissipation, explosion-proof function through the heat dissipation design and the stable structure improvement to its casing.

To the above, the utility model provides a technical scheme that its technical problem and take is: the utility model provides a small-size LED explosion-proof lamp, includes lamp shade and the lamp stand that top-down set gradually, its characterized in that: the lampshade comprises a front cover, toughened glass, a linear reflector, a radiator and an aluminum substrate with a plurality of LED lamp beads distributed radially, the front cover is fixed on the radiator and provided with a mounting groove with a through hole, the toughened glass is arranged in the mounting groove, the lower end face of the toughened glass abuts against the bottom wall of the mounting groove, the front cover, the radiator and the toughened glass form a disc-shaped cavity, the linear reflector and the aluminum substrate are arranged in the cavity, the linear reflector and the radiator clamp the aluminum substrate, the upper end face of the radiator is provided with a groove, the lamp holder comprises a rear cover which is fixed on the radiator and forms a power supply cavity with the groove, a driver which is used for connecting the aluminum substrate to control the LED lamp beads to work is arranged in the power supply cavity, and the radiator is coated on the outer part of the cavity and is provided with, the heat dissipation structure comprises a plurality of heat dissipation fins, wherein the two ends of the heat dissipation fins are respectively connected with the annular inner ring and the annular outer ring of the heat dissipation structure and are radially distributed at intervals.

As a further arrangement of the above scheme, the heat sink is further provided with a plurality of auxiliary cooling fins, the auxiliary cooling fins are fixed on the upper end face of the heat sink, and the auxiliary cooling fins surround the outside of the groove at intervals.

In a further arrangement of the above scheme, the explosion-proof lamp is fixed by bolts, the clamped aluminum substrate is provided with a plurality of through holes, and the radiator is provided with a plurality of fixing holes which are matched with the through holes relatively and used for fixing the bolts.

In a further configuration of the above aspect, the linear reflector, the aluminum substrate, and the heat sink are fixedly attached to each other.

As a further arrangement of the scheme, the interval between the radiating fins on the radiating structure is axially and thoroughly arranged.

As a further arrangement of the scheme, a nameplate groove is formed in the side face of the lamp holder.

As a further arrangement of the scheme, the glass pressing plate fixing device further comprises a plurality of glass pressing plates with through holes, a plurality of fixing screw holes are formed in the front cover, and the fixing screw holes are used for being matched with the glass pressing plates to clamp and fix the toughened glass.

Has the advantages that: the utility model discloses explosion-proof lamp simple structure, design science, its overall structure is small and exquisite through will produce the heat structural design in the middle of, the heat radiation structure wraps up the cavity setting of producing the heat structure, and improved relevant heat radiation structure and set up a large amount of fin and auxiliary cooling fin, make it have stronger heat-sinking capability, combine the heat conduction material of product itself to make its radiating effect reach the maximize, effectively with LED lamp pearl produce heat quick transmission to the external environment of lamps and lanterns; in addition, the inner structure of the LED explosion-proof lamp is stably and fixedly installed in a bolt mode, so that relative movement abrasion of the inner components under the action of external influence is avoided, the driver and the LED lamp beads are respectively and independently arranged in different cavities by forming two separated cavities, the mutual influence is prevented, the heat dissipation problem of the LED explosion-proof lamp is scientifically solved, and the service life of the LED lamp is prolonged; the utility model discloses a heat radiation structure of LED explosion-proof lamp, rational in infrastructure, heat dispersion is good, has guaranteed the safety in utilization of LED lamps and lanterns.

Drawings

FIG. 1 is a schematic view of the entire structure of the explosion-proof lamp of the present embodiment;

FIG. 2 is a schematic cross-sectional view of the explosion-proof lamp of the present embodiment;

FIG. 3 is a schematic structural diagram of a heat sink according to the present embodiment;

FIG. 4 is a schematic structural diagram of the aluminum substrate of the present embodiment;

FIG. 5 is a schematic view showing a fixed state of the glass preform according to the present embodiment.

Reference numerals: 1. a lamp shade; 11. a front cover; 12. tempering the glass; 121. glass pressing; 13. a heat sink; 131. a fixing hole; 14. a linear reflector; 15. an aluminum substrate; 151. a through hole; 16. LED lamp beads; 17. a cavity; 18. a heat dissipation structure; 19. a heat sink; 191. an auxiliary heat sink; 2. a lamp socket; 21. a rear cover; 22. a power supply cavity; 28. and (4) a groove.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflicting with each other.

1-5, including lamp shade 1 and lamp stand 2 that top-down set gradually, its characterized in that: the lampshade 1 comprises a front cover 11, toughened glass 12, a linear reflector 14, a radiator 13 and an aluminum substrate 15 with a plurality of radially distributed LED lamp beads 16, wherein the front cover 11 is fixed on the radiator 13 in a bolt connection manner and is provided with a mounting groove with through holes, the mounting groove is arranged in a manner that the annular lower edge extends towards a middle through groove and is used for containing the toughened glass 12 to avoid the toughened glass 12 from falling off, the toughened glass 12 is arranged in the mounting groove, the lower end face of the toughened glass 12 is fixed against the bottom wall of the mounting groove, the front cover 11, the radiator 13 and the toughened glass 12 form a disc-shaped cavity 17, the linear reflector 14 and the aluminum substrate 15 are arranged in the cavity 17, the linear reflector 14 and the radiator 13 clamp the aluminum substrate 15 and are fixedly arranged, the upper end face of the radiator 13 is provided with a groove 28, the lamp holder 2 comprises a rear cover 21 which is fixed on the radiator 13 and forms a power supply cavity, the power supply cavity 22 is internally provided with a driver which is connected with an aluminum substrate 15 and used for controlling the LED lamp beads 16 to work, the radiator 13 is coated on the outer part of the cavity 17 and is provided with an annular radiating structure 18, and the radiating structure 18 comprises a plurality of radiating fins 19, the two ends of each radiating fin are respectively connected with the inner ring and the outer ring of the annular radiating structure 18 and are radially distributed at intervals.

Through the arrangement of the scheme, the lampshade 1 and the lamp holder 2 respectively form an independent cavity for respectively installing the LED lamp beads 16 and the driver to separate the LED lamp beads 16 and the driver, the cavity 17 for the LED lamp beads 16 is formed by matching the lower end face of the radiator 13 with the front cover 11 and the toughened glass 12, the LED lamp beads 16 are used as main heat-generating components of the explosion-proof lamp, most of the structure of the radiator 13 is covered and arranged on the outer side of the cavity 17, the toughened glass 12 for transmitting the light of the LED lamp beads 16 is arranged right below the cavity 17, the aluminum substrate provided with the LED lamp beads is fixedly attached to the radiator 13 by the bolts of the linear reflector 14, the outer edge of the annular linear reflector 14 is attached to the inner ring wall of the annular heat-radiating structure 18 of the radiator 13, the upper end face of the radiator 13 is provided with the groove 28 which is matched with the rear cover 21 of the lamp holder 2 to form, the power supply cavity 22 is communicated with the cavity 17 through a through hole in the center of the radiator 13, and the through hole is matched with a power line in size and is only used for passing a wire to electrically connect a circuit board and a driver of the LED lamp bead on the aluminum substrate 15.

As a further arrangement of the above solution, the heat sink 13 is further provided with a plurality of auxiliary cooling fins 191, and the auxiliary cooling fins 191 are fixed on the upper end surface of the heat sink 13 and surround the outside of the groove 28 at intervals.

Through the arrangement of the scheme, the power supply cavity 22 is isolated from the cavity 17 and is miniaturized, the auxiliary radiating fins 191 are arranged above the cavity 17 to enhance the internal radiating effect of the cavity 17, and the auxiliary radiating fins 191 are fixedly arranged on the radiator 13 and can be used for radiating heat transferred in the cavity 17 and the power supply cavity 22.

As a further arrangement of the above scheme, the explosion-proof lamp is fixed by bolts, the clamped aluminum substrate 15 is provided with a plurality of through holes 151, and the heat sink 13 is provided with a plurality of fixing holes 131 which are matched with the through holes 151 for fixing by bolts.

Through the scheme setting, adopt bolt fastening's mode can be stable carry out mutual fixation to explosion-proof lamp internal component, it is fixed that the mode that does not well set up threaded accessible through-hole 151 runs through the centre gripping, and it carries out fixed mounting setting with all subassemblies of explosion-proof lamp inside through this mode for explosion-proof lamp is difficult to produce subassembly displacement wearing and tearing or unexpected risk.

In a further configuration of the above configuration, the linear light reflecting plate 14, the aluminum substrate 15, and the heat sink 13 are fixedly attached to each other.

As a further arrangement of the above scheme, the interval between the heat dissipation fins 19 on the heat dissipation structure 18 is axially arranged in a through manner.

As a further arrangement of the above scheme, a nameplate groove is arranged on the side surface of the lamp holder 2.

As a further arrangement of the above scheme, the glass tempering glass.

The utility model discloses explosion-proof lamp simple structure, design science, its overall structure is small and exquisite through will produce the heat structural design in the middle of, the heat radiation structure wraps up the cavity setting of producing the heat structure, and improved relevant heat radiation structure and set up a large amount of fin and auxiliary cooling fin, make it have stronger heat-sinking capability, combine the heat conduction material of product itself to make its radiating effect reach the maximize, effectively with LED lamp pearl produce heat quick transmission to the external environment of lamps and lanterns; in addition, the inner structure of the LED explosion-proof lamp is stably and fixedly installed in a bolt mode, so that relative movement abrasion of the inner components under the action of external influence is avoided, the driver and the LED lamp beads are respectively and independently arranged in different cavities by forming two separated cavities, the mutual influence is prevented, the heat dissipation problem of the LED explosion-proof lamp is scientifically solved, and the service life of the LED lamp is prolonged; the utility model discloses a heat radiation structure of LED explosion-proof lamp, rational in infrastructure, heat dispersion is good, has guaranteed the safety in utilization of LED lamps and lanterns.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a small-size LED explosion-proof lamp, includes lamp shade (1) and lamp stand (2) that top-down set gradually, its characterized in that: the lampshade (1) comprises a front cover (11), toughened glass (12), a linear reflector (14), a radiator (13) and an aluminum substrate (15) with a plurality of radially distributed LED lamp beads (16), the front cover (11) is fixed on the radiator (13) and provided with a mounting groove with through holes, the toughened glass (12) is positioned in the mounting groove, the lower end face of the toughened glass (12) abuts against the bottom wall of the mounting groove, the front cover (11), the radiator (13) and the toughened glass (12) form a disc-shaped cavity (17), the linear reflector (14) and the aluminum substrate (15) are positioned in the cavity (17), the linear reflector (14) and the radiator (13) clamp the aluminum substrate (15) and are fixedly arranged, the upper end face of the radiator (13) is provided with a groove (28), the lamp holder (2) comprises a rear cover (21) which is fixed on the radiator (13) and forms a power supply cavity (22) with the groove (28), the LED lamp is characterized in that a driver used for being connected with an aluminum substrate (15) to control the LED lamp beads (16) to work is arranged in the power supply cavity (22), the radiator (13) is wrapped on the outer portion of the cavity (17) and is provided with an annular radiating structure (18), and the radiating structure (18) comprises a plurality of radiating fins (19) of which two ends are respectively connected with the inner ring and the outer ring of the annular radiating structure (18) and are radially distributed at intervals.

2. The small-sized LED explosion-proof lamp according to claim 1, characterized in that: the radiator (13) is also provided with a plurality of auxiliary radiating fins (191), the auxiliary radiating fins (191) are fixed on the upper end face of the radiator (13), and the auxiliary radiating fins surround the outer side of the groove (28) at intervals.

3. The small-sized LED explosion-proof lamp according to claim 1, characterized in that: the explosion-proof lamp is fixed by bolts, the clamped aluminum substrate (15) is provided with a plurality of through holes (151), and the radiator (13) is provided with a plurality of fixing holes (131) which are matched with the through holes (151) relatively and used for fixing the bolts.

4. The small-sized LED explosion-proof lamp according to claim 1, characterized in that: the linear reflector (14), the aluminum substrate (15) and the radiator (13) are fixedly attached to each other.

5. The small-sized LED explosion-proof lamp according to claim 1, characterized in that: the interval between the radiating fins (19) on the radiating structure (18) is axially and thoroughly arranged.

6. The small-sized LED explosion-proof lamp according to claim 1, characterized in that: and a nameplate groove is formed in the side surface of the lamp holder (2).

7. The small-sized LED explosion-proof lamp according to claim 1, characterized in that: the glass fixing device is characterized by further comprising a plurality of glass pressing sheets (121) with through holes, wherein a plurality of fixing screw holes are formed in the front cover (11) and used for being matched with the glass pressing sheets (121) to clamp and fix the toughened glass (12).