Efficient heat dissipation LED lamp

Abstract

The utility model relates to the technical field of LED lamps, and discloses an efficient heat dissipation LED lamp which comprises a shell, an LED lamp panel is arranged in the shell, a heat conduction plate is fixedly installed at the top of the LED lamp panel, heat dissipation fins are fixedly installed at the top of the heat conduction plate, and a heat dissipation mechanism is fixedly installed on the shell. The heat dissipation mechanism comprises a first ventilation plate, a second ventilation plate and a flow guide plate, the heat conduction plate and the heat dissipation fins serve as a radiator to dissipate heat of the LED lamp panel, the first ventilation plate and the second ventilation plate are used for air circulation inside and outside the shell, strong convection air is introduced into the shell through the heat dissipation fan assembly, the air inlet amount is increased, it is ensured that the heat dissipation fins can make contact with enough air, and the heat dissipation efficiency is improved. The flow guide plate, the opening and the non-uniformly distributed vent holes are arranged to guide the airflow entering the shell, and most airflow is guided to the roots of the heat-enriched radiating fins, so that the utilization effect of the airflow is improved, and the radiating efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of LED lamps, in particular to an LED lamp with high-efficiency heat dissipation. Background Art

[0002] With the popularity of LED light sources, common replaceable light sources such as light bulbs and light source modules are gradually adopting LED light sources. However, due to the heat collection property of LED light sources, heat sinks are usually configured in high-power LED lamps. However, for larger LED arrays or lamps, the main body of the LED lamp is located in a casing with low air circulation, and the heat dissipation requirements cannot be met by simply relying on the natural flow of air. Utility Model Content

[0003] The purpose of the utility model is to provide an LED lamp with high efficiency in heat dissipation, so as to solve the problems raised in the above background technology.

[0004] To achieve the above object, the utility model provides the following technical solution: an LED lamp with high efficiency in heat dissipation, comprising a housing, an LED lamp board is arranged inside the housing, a heat conducting plate is fixedly installed on the top of the LED lamp board, a heat dissipation fin is fixedly installed on the top of the heat conducting plate, and a heat dissipation mechanism is fixedly installed on the housing;

[0005] The heat dissipation mechanism includes ventilation plate 1, ventilation plate 2, and a guide plate. The ventilation plate 1 is fixedly installed in the through hole on the left side of the shell, and the ventilation plate 2 is fixedly installed in the through hole on the right side of the shell. A cooling fan assembly is fixedly installed on the right outer wall of the ventilation plate 2, and a guide plate is fixedly installed on the left outer wall of the ventilation plate 2. The guide plate is hollow inside, and the inside of the guide plate is connected with the air holes on the ventilation plate 2. An opening is provided at the left bottom end of the guide plate, and the opening faces the root of the heat dissipation fins. A vent is provided on the left outer wall of the guide plate. A plurality of vents are provided, and the vents at the bottom are denser than those at the top.

[0006] Furthermore, the cooling fan assembly includes a rectangular frame and a cooling fan. The rectangular frame is fixedly mounted on the right outer wall of the outer shell, and the cooling fan is fixedly mounted on the right outer wall of the second ventilation plate. A dust net is attached to the right end surface of the rectangular frame, and a socket is provided on the outer wall of the rectangular frame. The right inner wall of the socket is pressed on the dust net.

[0007] Furthermore, the width of the opening is consistent with the width of the heat dissipation fins, and the height of the guide plate is consistent with the height of the heat dissipation fins.

[0008] Furthermore, two cooling fans are provided and are symmetrically distributed front to back about the center of the second ventilation plate.

[0009] Furthermore, a through slot is provided on the top of the socket, the inner diameter of the through slot is larger than the outer diameter of the dustproof net, the through slot and the dustproof net are staggered left and right, and the outer wall of the socket is provided with an integrally formed skirt, which is fixedly connected to the outer wall of the shell by screws.

[0010] Furthermore, a focusing piece is fixedly installed below the LED light board, a dimming tube is clamped on the inner wall of the shell, a dimming plate is fixedly installed on the inner side of the dimming tube, an end cover is fixedly installed on the bottom of the shell by screws, and a light-transmitting plate is fixedly installed on the inner side of the end cover.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. Use the heat conduction plate and heat dissipation fins as radiators to dissipate heat from the LED light board. Use ventilation plate 1 and ventilation plate 2 for air circulation inside and outside the shell. Use the heat dissipation fan assembly to introduce strong convection air into the shell to increase the air intake and ensure that the heat dissipation fins can be in contact with sufficient air. Set guide plates, openings and unevenly distributed air holes to guide the airflow entering the shell, and direct most of the airflow to the roots of the heat dissipation fins where heat is concentrated, thereby improving the utilization of the airflow and improving the heat dissipation efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a structural schematic diagram of a front cross-sectional view of the housing of the utility model;

[0015] Figure 3 It is a schematic diagram of the structure of the heat conducting plate and the heat dissipating fins of the utility model;

[0016] Figure 4 It is a structural schematic diagram of an exploded view of the heat dissipation mechanism of the utility model.

[0017] In the figure: 1. shell; 2. heat conduction plate; 3. heat dissipation fins; 4. heat dissipation mechanism; 401. ventilation plate one; 402. ventilation plate two; 403. cooling fan assembly; 404. guide plate; 405. opening; 406. vent; 4031. rectangular frame; 4032. cooling fan; 4033. dustproof net; 4034. holder; 5. focusing plate; 6. dimming tube; 7. dimming plate; 8. end cover; 9. light-transmitting plate; 10. skirt; 11. through groove; 12. LED light board. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] See also Figure 1-Figure 4 The utility model provides a technical solution: an LED lamp with high heat dissipation, comprising a housing 1, an LED lamp board 12 is arranged inside the housing 1, a heat conducting plate 2 is fixedly installed on the top of the LED lamp board 12, a heat dissipation fin 3 is fixedly installed on the top of the heat conducting plate 2, and a heat dissipation mechanism 4 is fixedly installed on the housing 1;

[0020] The heat dissipation mechanism 4 includes a ventilation plate 1 401, a ventilation plate 2 402, and a guide plate 404. The ventilation plate 1 401 is fixedly installed in the left through hole of the shell 1, and the ventilation plate 2 402 is fixedly installed in the right through hole of the shell 1. A heat dissipation fan assembly 403 is fixedly installed on the right outer wall of the ventilation plate 2 402, and a guide plate 404 is fixedly installed on the left outer wall of the ventilation plate 2 402. The guide plate 404 is hollow inside, and the inside of the guide plate 404 is connected to the air hole on the ventilation plate 2 402. An opening 405 is opened at the left bottom end of the guide plate 404, and the opening 405 faces the root of the heat dissipation fin 3. A vent hole 406 is opened on the left outer wall of the guide plate 404. The vent hole 406 is opened. 6 is provided with multiple vents 406, and the lower vents 406 are denser than the upper vents 406. The heat conducting plate 2 and the heat dissipating fins 3 are used as radiators to dissipate heat from the LED light board 12. The ventilation plate 1 401 and the ventilation plate 2 402 are used for air circulation inside and outside the housing 1. Strong convection air is introduced into the housing 1 through the heat dissipation fan assembly 403 to increase the air intake and ensure that the heat dissipating fins 3 can be in contact with sufficient air. The guide plate 404, the opening 405 and the unevenly distributed vents 406 are provided to guide the airflow entering the housing 1, and most of the airflow is guided to the roots of the heat dissipating fins 3 where heat is enriched, thereby improving the utilization effect of the airflow and improving the heat dissipation efficiency.

[0021] The cooling fan assembly 403 includes a rectangular frame 4031 and a cooling fan 4032. The rectangular frame 4031 is fixedly mounted on the right outer wall of the housing 1. The cooling fan 4032 is fixedly mounted on the right outer wall of the ventilation plate 402. A dust screen 4033 is attached to the right end face of the rectangular frame 4031. A holder 4034 is provided on the outer wall of the rectangular frame 4031. The right inner wall of the holder 4034 is pressed on the dust screen 4033. The cooling fan 4032 rotates to generate airflow. The airflow enters the housing 1 from the ventilation plate 402. The dust screen 4033 is provided to prevent external dust from entering the housing 1. The holder 4034 is provided to prevent external dust from entering the housing 1. 034 is used to fix the dust net 4033. A through slot 11 is provided on the top of the holder 4034. The inner diameter of the through slot 11 is larger than the outer diameter of the dust net 4033. The through slot 11 and the dust net 4033 are staggered left and right, so that when replacing and cleaning the dust net 4033, it is only necessary to pull the holder 4034 to move the through slot 11 to align with the dust net 4033, and then take the dust net 4033 out of the through slot 11, without having to disassemble the holder 4034 as a whole. The outer wall of the holder 4034 is provided with an integrally formed skirt 10, which is fixedly connected to the outer wall of the housing 1 by screws to fix the holder 4034.

[0022] The width of the opening 405 is consistent with the width of the heat dissipation fin 3, and the height of the guide plate 404 is consistent with the height of the heat dissipation fin 3, so as to ensure that the airflow blown out from the opening 405 and the vent hole 406 can contact different parts of the heat dissipation fin 3, thereby ensuring the air cooling effect on the heat dissipation fin 3;

[0023] Two cooling fans 4032 are provided, and are symmetrically distributed front and back about the center of the second ventilation plate 402. According to the design shape of the second ventilation plate 402, the conventional single fan is designed into two, so that the fan setting is more reasonable under the premise of ensuring the air intake volume;

[0024] A focusing piece 5 is fixedly installed below the LED light board 12, a dimming tube 6 is clamped on the inner wall of the outer shell 1, a dimming plate 7 is fixedly installed on the inner side of the dimming tube 6, an end cover 8 is fixedly installed on the bottom of the outer shell 1 by screws, and a light-transmitting plate 9 is fixedly installed on the inner side of the end cover 8.

[0025] Working principle: When in use, turn on the cooling fan 4032 to generate airflow, the airflow enters the guide plate 404 from the ventilation plate 402, and the airflow is guided by the opening 405 and the vent 406 on the guide plate 404 to blow to different parts of the cooling fins 3, and the cooling fins 3 are cooled by the fast-flowing airflow.

[0026] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

Claims

1. An LED lamp with high heat dissipation efficiency, comprising a housing (1), characterized in that: An LED light board (12) is arranged inside the housing (1), a heat conducting plate (2) is fixedly mounted on the top of the LED light board (12), a heat dissipation fin (3) is fixedly mounted on the top of the heat conducting plate (2), and a heat dissipation mechanism (4) is fixedly mounted on the housing (1); The heat dissipation mechanism (4) comprises a ventilation plate 1 (401), a ventilation plate 2 (402), and a guide plate (404); the ventilation plate 1 (401) is fixedly mounted in a left through hole of the housing (1); the ventilation plate 2 (402) is fixedly mounted in a right through hole of the housing (1); a heat dissipation fan assembly (403) is fixedly mounted on the right outer wall of the ventilation plate 2 (402); a guide plate (404) is fixedly mounted on the left outer wall of the ventilation plate 2 (402); The guide plate (404) is hollow inside, and the inside of the guide plate (404) is connected to the air holes on the second ventilation plate (402). An opening (405) is provided at the left bottom end of the guide plate (404), and the opening (405) faces the root of the heat dissipation fin (3). A vent hole (406) is provided on the left outer wall of the guide plate (404). A plurality of vent holes (406) are provided, and the lower vent holes (406) are denser than the upper vent holes (406).

2. The LED lamp with high heat dissipation efficiency according to claim 1, characterized in that: The heat dissipation fan assembly (403) comprises a rectangular frame (4031) and a heat dissipation fan (4032). The rectangular frame (4031) is fixedly mounted on the right outer wall of the housing (1). The heat dissipation fan (4032) is fixedly mounted on the right outer wall of the ventilation plate 2 (402). A dustproof net (4033) is attached to the right end face of the rectangular frame (4031). A holder (4034) is sleeved on the outer wall of the rectangular frame (4031). The right inner wall of the holder (4034) is pressed against the dustproof net (4033).

3. The LED lamp with high heat dissipation efficiency according to claim 1, characterized in that: The width of the opening (405) is consistent with the width of the heat dissipation fin (3), and the height of the guide plate (404) is consistent with the height of the heat dissipation fin (3).

4. The LED lamp with high heat dissipation efficiency according to claim 2, characterized in that: The heat dissipation fans (4032) are provided with two and are symmetrically distributed front to back about the center of the second ventilation plate (402).

5. The LED lamp with high heat dissipation efficiency according to claim 2, characterized in that: A through slot (11) is provided on the top of the holder (4034), the inner diameter of the through slot (11) is larger than the outer diameter of the dustproof net (4033), the through slot (11) and the dustproof net (4033) are staggered left and right, and an outer wall of the holder (4034) is provided with an integrally formed skirt (10), and the skirt (10) is fixedly connected to the outer wall of the housing (1) by screws.

6. The LED lamp with high heat dissipation efficiency according to claim 1, characterized in that: A focus plate (5) is fixedly arranged below the LED light board (12); a dimming cylinder (6) is clamped on the inner wall of the housing (1); a dimming plate (7) is fixedly installed on the inner side of the dimming cylinder (6); an end cover (8) is fixedly installed on the bottom of the housing (1) by means of screws; a light-transmitting plate (9) is fixedly installed on the inner side of the end cover (8).

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