CN214249199U

CN214249199U - LED (light-emitting diode) mining lamp

Info

Publication number: CN214249199U
Application number: CN202022809443.9U
Authority: CN
Inventors: 周文波
Original assignee: Dongguan Thailight Semiconductor Lighting Co ltd
Current assignee: Dongguan Thailight Semiconductor Lighting Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-09-21
Anticipated expiration: 2030-11-27

Abstract

The utility model discloses a LED industrial and mining lamp, include: the lamp comprises a lamp holder, a radiator and a power adapter; the lamp holder is arranged on the front surface of the radiator, a plurality of radiating fins are arranged on the back surface of the radiator along the circumferential direction, and the power adapter is fixedly connected to the back surface of the radiator; the back of the radiator is also fixedly provided with a plurality of top columns, a radiating gap is formed between the top columns, the horizontal height of each top column is larger than that of each radiating fin, and the upper parts of the top columns are abutted against the bottom of the power adapter, so that a radiating space is formed between the radiator and the power adapter. The plurality of top columns jointly prop against the bottom of the power adapter, so that a heat dissipation space is formed between the power adapter and the heat sink; compare in current zonulae occludens, the utility model discloses make power adapter and radiator heat between them can not conduct each other, be favorable to power adapter's independent heat dissipation, strengthened the radiating effect of radiator itself simultaneously.

Description

LED (light-emitting diode) mining lamp

Technical Field

The utility model relates to a lamps and lanterns field, concretely relates to LED industrial and mining lamp.

Background

Mining lamps are commonly used in mining work of mineral products, along with the progress of modern mining technology, the mining scale is larger and larger, and the requirement on the power of the mining lamps is higher and higher. The power of the industrial and mining lamp is increased, so that the industrial and mining lamp generates excessive heat, and the lamp is easily damaged due to overhigh temperature; and also leads to an increase in the weight of the industrial and mining lamp.

The structure of the existing mining lamp can refer to the Chinese utility model patent (application number CN201620810572.0) applied by the applicant in 2016, 7, 8, the lamp holder is provided with a radiator along the circumferential direction, the power adapter is fixed on the back of the radiator, and the mounting hanging ring is fixed on the two sides of the radiator. The heat dissipation performance of the mining lamp mainly depends on the heat dissipation fins uniformly arranged on the heat dissipater, the heat dissipation effect is guaranteed through the large heat dissipation area, however, the power adapter and the heat dissipater are tightly connected through the bolts, when the mining lamp works, the power supply and the lamp holder can generate heat, and heat is easily conducted between the power adapter and the heat dissipater. For the industrial and mining lamp as a whole, the heat dissipation effect of the lamp holder is ensured, the power adapter is required to be fully dissipated, otherwise, the service life of the power supply is influenced, and the heat dissipation performance of the existing industrial and mining lamp needs to be further improved.

SUMMERY OF THE UTILITY MODEL

For overcoming the not enough of prior art, the utility model aims to provide a LED industrial and mining lamp, it can solve the not good problem of current industrial and mining lamp heat dispersion.

The utility model discloses a following technical scheme realizes:

an LED mining lamp comprising: the lamp comprises a lamp holder, a radiator and a power adapter; the lamp holder is arranged on the front surface of the radiator, the side part of the lamp holder is fixed in the radiator along the circumferential direction, the back surface of the radiator is provided with a plurality of radiating fins along the circumferential direction, and the power adapter is fixedly connected to the back surface of the radiator; the back of the radiator is also fixedly provided with a plurality of top columns, radiating gaps are formed among the top columns, the horizontal height of each top column is larger than that of each radiating fin, and the upper parts of the top columns are abutted against the bottom of the power adapter, so that radiating spaces are formed between the radiator and the power adapter.

Further, the LED mining lamp also comprises a junction box; the lamp holder is characterized in that a wire connected with the lamp holder is arranged in the junction box, an accommodating cavity is formed in the power adapter, a power supply module is fixedly arranged in the accommodating cavity of the power adapter, and the junction box is arranged in the accommodating cavity of the power adapter and positioned on the side part of the power supply module.

Furthermore, the surface of the radiator is provided with a through annular radiating groove, and the radiating fins are arranged above the annular radiating groove.

Furthermore, the back of the radiator is also provided with a mounting column, a mounting hole with a corresponding shape is arranged at a corresponding position of the power adapter, and the mounting column is fixedly connected in the mounting hole; the horizontal height of the mounting column is larger than that of the radiating fins, and the top columns are uniformly distributed on the side portions of the mounting column.

Furthermore, a first annular boss is arranged on the side portion of the mounting hole and sleeved outside the mounting column.

Furthermore, the back of the radiator is also provided with a guide post, a guide hole with a corresponding shape is arranged at a corresponding position of the power adapter, and the guide post is arranged in the guide hole; the horizontal height of the guide post is greater than the horizontal height of the heat sink.

Furthermore, a second annular boss is arranged on the side portion of the guide hole and sleeved outside the guide column.

Furthermore, the back of the power adapter is also fixedly provided with a hanging ring mounting column, and a hanging ring is fixed in the hanging ring mounting column.

Furthermore, the lateral part of rings erection column still evenly is provided with a plurality of strengthening ribs.

Furthermore, a plurality of LED lamp beads are also arranged on the lamp holder; the power adapter is used for supplying power to the LED lamp beads and is electrically connected with the LED lamp beads.

Compared with the prior art, the utility model discloses the beneficial effect who reaches does: the radiator is further provided with a plurality of top pillars on the basis of the radiating fins, and the plurality of top pillars jointly prop against the bottom of the power adapter, so that a radiating space is formed between the power adapter and the radiator; compare in current zonulae occludens, the utility model discloses make power adapter and radiator heat between them can not conduct each other, be favorable to power adapter's independent heat dissipation, strengthened the radiating effect of radiator itself simultaneously. In addition, a heat dissipation gap is formed between the top columns, air convection is facilitated, and the heat dissipation effect is further improved.

Drawings

Fig. 1 is a perspective view of the present invention;

fig. 2 is a front view of the present invention;

FIG. 3 is an exploded view of the present invention;

FIG. 4 is a perspective view of the heat sink;

FIG. 5 is a top view of the heat sink;

FIG. 6 is a perspective view of the power adapter;

fig. 7 is another perspective view of the power adapter.

In the figure: 10. a lamp socket; 11. LED lamp beads; 20. a heat sink; 21. a heat sink; 22. a top pillar; 23. a heat dissipation space; 24. an annular heat dissipation groove; 25. mounting a column; 26. a guide post; 30. a power adapter; 31. mounting holes; 32. a first annular boss; 33. a guide hole; 34. a second annular boss; 35. a hoisting ring mounting column; 36. a hoisting ring; 37. reinforcing ribs; 40. a junction box; 50. a lens.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.

Referring to fig. 1-3, the utility model discloses a LED industrial and mining lamp, include: a lamp socket 10, a heat sink 20 and a power adapter 30. The lamp socket 10 is used for illumination, and the power adapter 30 is used for supplying power to the lamp socket 10, and the two are electrically connected. The lamp holder 10 is arranged on the front surface of the radiator 20, and the side part of the lamp holder 10 is fixed in the radiator 20 along the circumferential direction; referring to fig. 4, a plurality of fins 21 are circumferentially disposed on the back surface of the heat sink 20, and the fins 21 are formed in a fin shape and integrally formed with the heat sink 20. The power adapter 30 is fixedly connected to the back of the heat sink 20, a plurality of top pillars 22 are fixedly arranged on the back of the heat sink 20, heat dissipation gaps are formed between the top pillars 22, the horizontal height of each top pillar 22 is larger than that of each heat dissipation fin 21, and the upper portion of each top pillar 22 abuts against the bottom of the power adapter 30, so that a heat dissipation space 23 is formed between the heat sink 20 and the power adapter 30.

The radiator 20 is further provided with a plurality of top pillars 22 on the basis of the radiating fins 21, the plurality of top pillars 22 jointly prop against the bottom of the power adapter 30, and meanwhile, as the horizontal height of the top pillars 22 is larger than that of the radiating fins 21, a radiating space 23 is formed between the power adapter 30 and the radiator 20; compare in current power adapter 30 and radiator 20 adopt zonulae occludens's mode, the utility model discloses make power adapter 30 and radiator 20 both's heat can not conduct each other, be favorable to power adapter 30's independent heat dissipation, strengthened the radiating effect of radiator 20 itself simultaneously. In addition, a heat dissipation gap is formed between the top pillars 22, which is helpful for air convection and further improves the heat dissipation effect.

In the past, the power adapter 30 and the junction box 40 of the mining lamp are connected in a split mode, namely the power adapter 30 and the junction box 40 are mutually independent, so that the mining lamp is inconvenient to manufacture, the junction box 40 and the power adapter 30 need to be installed and connected, time is consumed, and meanwhile the size of the mining lamp is large.

Preferably, referring to fig. 7, the present invention includes a terminal box 40, a wire connected to the lamp holder 10 is disposed in the terminal box 40, a receiving cavity is formed in the power adapter 30 and a power supply module (not shown) is fixedly disposed, and the terminal box 40 is disposed in the receiving cavity of the power adapter 30 and located at a side portion of the power supply module. More specifically, the junction box 40 is opened at the top and sealed by a sealing cover. By making the power adapter 30 and the junction box 40 into an integrated design, the junction box 40 can be molded together when the power adapter 30 is manufactured, so that the structure of the mining lamp is more compact, the size is effectively reduced, and the steps of mounting and connecting the junction box 40 are saved.

Preferably, referring to fig. 5, the surface of the heat sink 20 is further provided with a through annular heat dissipation groove 24, and the heat dissipation fins 21 are disposed above the annular heat dissipation groove 24, so that the heat in the heat dissipation space 23 can be dissipated not only to the side but also to the lower side, thereby further enhancing the heat dissipation effect.

Preferably, referring to fig. 4-6, the back of the heat sink 20 is further provided with a mounting post 25, a mounting hole 31 with a corresponding shape is provided at the winning position of the power adapter 30, and the mounting post 25 is fixedly connected in the mounting hole 31 to realize the connection between the power adapter 30 and the heat sink 20. The mounting posts 25 have a greater horizontal height than the heat sink 21 to ensure that there is sufficient protrusion height to attach into the mounting holes 31.

The horizontal height of the mounting post 25 can be flush with the top post 22 or lower than the top post 22; when the height of the installation hole 31 is lower than that of the top pillar 22, a first annular boss 32 is arranged on the side portion of the installation hole 31, the first annular boss 32 extends and protrudes towards the direction of the radiator 20, and is sleeved outside the installation pillar 25 to realize connection.

Preferably, the back of the heat sink 20 is further provided with a guiding post 26, a guiding hole 33 with a corresponding shape is provided at a corresponding position of the power adapter 30, and the guiding post 26 is provided in the guiding hole 33 to provide a guiding function for the installation and connection of the heat sink 20 and the power adapter 30, so as to complete quick installation; the guide posts 26 have a greater horizontal height than the heat sink 21 to ensure that there is sufficient protrusion height to fit into the guide holes 33.

The horizontal height of the guide post 26 can be flush with the top post 22 or lower than the top post 22; when the height of the guide hole is lower than that of the top column 22, a second annular boss 34 is arranged on the side portion of the guide hole 33, the second annular boss 34 extends to the radiator 20 and protrudes, and the second annular boss is sleeved outside the guide column 26 to achieve connection.

Preferably, referring to fig. 7, a hanging ring mounting column 35 is further fixedly arranged on the back of the power adapter 30, and a hanging ring 36 is fixedly arranged in the hanging ring mounting column 35 and used for hanging the mining lamp. Further preferably, the side portion of the hanging ring mounting column 35 is further uniformly provided with a plurality of reinforcing ribs 37 for increasing the connection stability of the hanging ring mounting column 35.

Preferably, referring to fig. 3, a plurality of LED lamp beads 11 for illumination are mounted on the lamp holder 10, and the power adapter 30 is electrically connected to the LED lamp beads 11 for supplying power to the LED lamp beads 11.

Further, the present invention further comprises a lens 50, the lens 50 is fixed on the front surface of the heat sink 20, and the lamp holder 10 is located between the heat sink 20 and the lens 50.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims

1. An LED mining lamp, characterized by comprising: the lamp comprises a lamp holder, a radiator and a power adapter; the lamp holder is arranged on the front surface of the radiator, the side part of the lamp holder is fixed in the radiator along the circumferential direction, the back surface of the radiator is provided with a plurality of radiating fins along the circumferential direction, and the power adapter is fixedly connected to the back surface of the radiator; the back of the radiator is also fixedly provided with a plurality of top columns, radiating gaps are formed among the top columns, the horizontal height of each top column is larger than that of each radiating fin, and the upper parts of the top columns are abutted against the bottom of the power adapter, so that radiating spaces are formed between the radiator and the power adapter.

2. The LED mining lamp of claim 1, wherein the LED mining lamp further comprises a junction box; the lamp holder is characterized in that a wire connected with the lamp holder is arranged in the junction box, an accommodating cavity is formed in the power adapter, a power supply module is fixedly arranged in the accommodating cavity of the power adapter, and the junction box is arranged in the accommodating cavity of the power adapter and positioned on the side part of the power supply module.

3. The LED industrial and mining lamp of claim 1, wherein the surface of the heat sink is formed with a through annular heat sink, and the heat sink is disposed above the annular heat sink.

4. The LED mining lamp of claim 1, wherein a mounting post is further provided on a back surface of the heat sink, a mounting hole having a corresponding shape is provided on a corresponding position of the power adapter, and the mounting post is fixedly connected in the mounting hole; the horizontal height of the mounting column is larger than that of the radiating fins, and the top columns are uniformly distributed on the side portions of the mounting column.

5. The LED mining lamp of claim 4, wherein a first annular boss is provided at a side portion of the mounting hole, and the first annular boss is sleeved outside the mounting post.

6. The LED mining lamp of claim 1, wherein a guide post is further provided on a back surface of the heat sink, a correspondingly shaped guide hole is provided on a corresponding position of the power adapter, and the guide post is provided in the guide hole; the horizontal height of the guide post is greater than the horizontal height of the heat sink.

7. The LED mining lamp of claim 6, wherein a second annular boss is provided at a side of the guide hole, and the second annular boss is sleeved outside the guide post.

8. The LED mining lamp of claim 1, wherein a hanging ring mounting column is fixedly arranged on the back of the power adapter, and a hanging ring is fixedly arranged in the hanging ring mounting column.

9. The LED mining lamp of claim 8, wherein the lateral portion of the suspension ring mounting post is further uniformly provided with a plurality of reinforcing ribs.

10. The LED mining lamp of claim 1, wherein the lamp holder is further provided with a plurality of LED lamp beads; the power adapter is used for supplying power to the LED lamp beads and is electrically connected with the LED lamp beads.