Semiconductor lighting solar street lamp capable of preventing overheating

Abstract

The utility model discloses a semiconductor lighting solar street lamp capable of preventing overheating, relates to the field of semiconductor lighting, and aims to solve the problem that individual LED lamp beads are easy to burn out due to over-high temperature after long-time use due to the fact that LED lamp beads in an LED lighting module are densely arranged and the working temperature is high. An LED lighting module is fixedly arranged on the outer wall of the lamp barrel and comprises a metal arc-shaped plate, a plurality of LED lighting lamp beads are fixedly installed on the outer wall of the arc-shaped plate, a metal heat dissipation barrel is arranged on the metal arc-shaped plate in an attached and abutting mode, and an air channel communicating with the inner space of the lamp barrel is formed in the metal heat dissipation barrel in the length direction in a penetrating mode. An air outlet and an air inlet which are communicated with the lamp tube are formed in the outer walls of the two ends of the lamp tube in the length direction in a penetrating mode, a heat dissipation fan is arranged on the outer wall of the metal heat dissipation tube and covers an air channel, and the effects that the LED lighting module is continuously and efficiently cooled, and LED lamp beads are prevented from being burnt out due to the fact that the working temperature of the LED lighting module is too high are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of semiconductor lighting, in particular to a semiconductor lighting solar street lamp capable of preventing overheating. Background Art

[0002] LED street lights (Light Emitting Diode) are semiconductor lighting lamps. It is a highly efficient solid-state light source based on the semiconductor PN junction that can emit light with weak electrical energy. Under a certain forward bias voltage and injection current, the holes injected into the P region and the electrons injected into the N region emit photons after diffusion to the active region through radiation recombination, directly converting electrical energy into light energy. It is a solid-state cold light source with the characteristics of environmental protection, no pollution, low power consumption, high light efficiency, and long life. Therefore, LED street lights will become the best choice for energy-saving transformation of road lighting.

[0003] The existing LED lighting modules have densely arranged internal LED lamp beads and high operating temperatures. After long-term use, individual LED lamp beads are easily burned out due to excessive temperatures. After the LED lamp beads burn out, the light brightness of the LED lighting module decreases, resulting in light decay, which greatly affects the lighting effect of the street lamp. Utility Model Content

[0004] The utility model aims to provide a semiconductor lighting solar street lamp which can prevent overheating.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] It includes a base, a mounting rod is fixedly connected to the top wall of the base, a lamp tube with a solar panel is extended from the outer wall of the top end of the mounting rod, the lamp tube is hollow, an LED lighting module is fixedly installed on the outer wall of the lamp tube, the LED lighting module includes a metal arc plate, a plurality of LED lighting beads are fixedly installed on the outer wall of the arc plate, a metal heat dissipation tube is attached to the metal arc plate, the metal heat dissipation tube is clamped in the lamp tube, an air duct connecting the inner space of the lamp tube is penetrated by the metal heat dissipation tube along the length direction, an air outlet and an air inlet connecting the lamp tube are penetrated by the outer walls at both ends of the length direction of the lamp tube, and a cooling fan is provided on the outer wall of the metal heat dissipation tube covering the air duct.

[0007] By adopting the above technical solution, the metal heat sink is attached to the metal arc plate, which can absorb the heat emitted by the LED when it is working. When the cooling fan rotates, cold air enters the lamp tube from the air inlet, and then passes through the air duct to take away the heat on the surface of the metal heat sink and then discharge it from the air outlet. This process is repeated, which can continuously and efficiently cool the LED lighting module, avoid the LED lamp beads from burning due to excessive operating temperature of the LED lighting module, and have a good guarantee effect on the lighting effect of the LED lighting module.

[0008] Furthermore, a silicone heat dissipation pad is provided on one side of the metal arc plate close to the metal heat dissipation tube.

[0009] By adopting the above technical solution, the setting of the silicone heat dissipation pad can effectively fill the gap between the metal arc plate and the metal heat dissipation tube, preventing the two from expanding and contracting due to temperature changes, causing the contact surface to separate and affecting heat conduction, and effectively ensuring the continuous heat dissipation effect of the metal heat dissipation tube.

[0010] Furthermore, the metal heat dissipation tube is fixedly provided with a plurality of guide heat dissipation fins distributed at equal intervals in a manner fitting the air duct.

[0011] By adopting the above technical solution, the setting of the guide heat sink can, on the one hand, effectively sort out the airflow and prevent the air circulation rate of the air duct from being affected by internal turbulence; on the other hand, the guide heat sink can effectively increase the contact area between the metal heat sink and the air duct, thereby improving the heat exchange efficiency of the metal heat sink, which can effectively improve the heat dissipation effect of the metal heat sink.

[0012] Furthermore, the air outlet and the air inlet are distributed on both sides of the air duct and are opened at the bottom end of the outer wall of the lamp tube, and the air outlet and the air inlet are covered with a dustproof net.

[0013] By adopting the above technical solution, the air outlet and the air inlet are opened downward, which can effectively prevent rain or impurities from entering the lamp tube. The setting of the dustproof net can further prevent external dust from entering the lamp tube, preventing dust accumulation from affecting the smoothness of the air duct.

[0014] Furthermore, a plurality of engaging ridges are fixedly provided on the outer wall of the metal heat dissipation tube, and an engaging groove cooperating with the engaging ridges is provided on the inner wall of the lamp tube.

[0015] By adopting the above technical solution, the engaging ridges cooperate with the engaging grooves to effectively engage and lock the metal heat sink, thereby preventing the metal heat sink from shifting during use and improving the stability of the equipment.

[0016] In summary, the beneficial technical effects of the utility model are:

[0017] 1. Metal heat sink, air duct, air outlet and air inlet are used to continuously and efficiently cool the LED lighting module, avoiding the burning of LED lamp beads due to excessive working temperature of the LED lighting module, and having a good guarantee effect on the lighting effect of the LED lighting module;

[0018] 2. The silicone heat dissipation pad is used to prevent the two from expanding and contracting when the temperature changes, causing the contact surface to separate and affect the heat conduction, effectively ensuring the continuous heat dissipation effect of the metal heat dissipation tube;

[0019] 3. The use of guide heat sinks can effectively comb the airflow to ensure the air circulation rate, while increasing the contact area between the metal heat sink and the air duct to improve the heat exchange efficiency of the metal heat sink and effectively improve the heat dissipation effect of the metal heat sink. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification, but do not constitute a limitation of the present invention. In the accompanying drawings:

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 It is a schematic diagram of the overall explosion structure of the utility model;

[0023] Figure 3 yes Figure 2 Schematic diagram of the structure of part A in the middle.

[0024] In the figure, 1. base; 2. mounting rod; 3. lamp tube; 31. air outlet; 32. air inlet; 4. LED lighting module; 41. metal arc plate; 42. LED lighting lamp beads; 5. metal heat sink; 51. air duct; 52. cooling fan; 53. snap-fit ​​ridge; 6. silicone heat dissipation pad; 7. guide heat sink. DETAILED DESCRIPTION

[0025] The utility model is further described in detail below in conjunction with the accompanying drawings.

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-3 , the utility model provides a technical solution:

[0028] The base 1 comprises a mounting rod 2 which is fixedly connected to the top wall of the base 1, a lamp tube 3 with a solar panel extending from the outer wall of the top end of the mounting rod 2, the lamp tube 3 is hollow, an LED lighting module 4 is fixedly arranged on the outer wall of the lamp tube 3, the LED lighting module 4 comprises a metal arc plate 41, a plurality of LED lighting beads 42 are fixedly arranged on the outer wall of the arc plate, a metal heat dissipation tube 5 is fitted on the metal arc plate 41, the metal heat dissipation tube 5 is clamped with the lamp tube 3, an air duct 51 which is connected to the inner space of the lamp tube 3 is penetrated through the metal heat dissipation tube 5 along the length direction, and outlets which are connected to the lamp tube 3 are penetrated through the outer walls of both ends of the length direction The air vent 31 and the air inlet 32, the outer wall of the metal heat dissipation tube 5 covers the air duct 51 and is provided with a heat dissipation fan 52, the metal heat dissipation tube 5 is arranged in contact with the metal arc plate 41, and can absorb the heat emitted when the LED is working. When the heat dissipation fan 52 rotates, cold air enters the lamp tube 3 from the air inlet 32, and then passes through the air duct 51 to take away the heat on the surface of the metal heat dissipation tube 5 and is discharged from the air outlet 31. This process is repeated, and the LED lighting module 4 can be continuously and efficiently cooled to avoid the LED lamp beads being burned due to the excessive working temperature of the LED lighting module 4, which has a good guarantee effect on the lighting effect of the LED lighting module 4.

[0029] A silicone heat dissipation pad 6 is provided on one side of the metal arc plate 41 close to the metal heat dissipation tube 5. The setting of the silicone heat dissipation pad 6 can effectively fill the gap between the metal arc plate 41 and the metal heat dissipation tube 5 to prevent the two from expanding and contracting due to temperature changes, causing the contact surface to separate and affecting heat conduction, thereby effectively ensuring the continuous heat dissipation effect of the metal heat dissipation tube 5.

[0030] The metal heat sink 5 is fixedly provided with a plurality of equally spaced guide fins 7 in the air duct 51. The setting of the guide fins 7 can effectively sort out the airflow and prevent the air circulation rate of the air duct 51 from being affected by the internal turbulence. On the other hand, the guide fins 7 can effectively increase the contact area between the metal heat sink 5 and the air duct 51, thereby improving the heat exchange efficiency of the metal heat sink 5, and can effectively enhance the heat dissipation effect of the metal heat sink 5.

[0031] The air outlet 31 and the air inlet 32 ​​are distributed on both sides of the air duct 51 and are opened at the bottom of the outer wall of the lamp tube 3. The air outlet 31 and the air inlet 32 ​​are covered with a dustproof net 33. The air outlet 31 and the air inlet 32 ​​are opened downward, which can effectively prevent rainwater or impurities from entering the interior of the lamp tube 3. The setting of the dustproof net 33 can further prevent external dust from entering the interior of the lamp tube 3, and prevent dust accumulation from affecting the smoothness of the air duct 51.

[0032] The outer wall of the metal heat sink 5 is fixedly provided with a plurality of snap-fitting ridges 53, and the inner wall of the lamp tube 3 is provided with snap-fitting grooves matching the snap-fitting ridges 53. The snap-fitting ridges 53 and the snap-fitting grooves can effectively snap-fit ​​and lock the metal heat sink 5 to prevent the metal heat sink 5 from shifting during use, thereby improving the stability of the equipment.

[0033] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0034] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A semiconductor lighting solar street lamp for preventing overheating, comprising a base (1), characterized in that: The top wall of the base (1) is fixedly connected with a mounting rod (2), and a lamp tube (3) with a solar panel is extended from the outer wall of the top end of the mounting rod (2). The lamp tube (3) is hollow, and an LED lighting module (4) is fixedly arranged on the outer wall of the lamp tube (3). The LED lighting module (4) comprises a metal arc plate (41), and a plurality of LED lighting beads (42) are fixedly arranged on the outer wall of the arc plate. A metal heat dissipation tube (5) is fitted on the metal arc plate (41), and the metal heat dissipation tube (5) is clamped with the lamp tube (3). The metal heat dissipation tube (5) is provided with an air duct (51) connected to the inner space of the lamp tube (3) along the length direction, and an air outlet (31) and an air inlet (32) connected to the lamp tube (3) are provided on the outer walls of both ends of the lamp tube (3) in the length direction, and a heat dissipation fan (52) is provided on the outer wall of the metal heat dissipation tube (5) covering the air duct (51).

2. The semiconductor lighting solar street lamp for preventing overheating according to claim 1 is characterized in that: A silicone heat dissipation pad (6) is provided on one side of the metal arc plate (41) close to the metal heat dissipation tube (5).

3. The semiconductor lighting solar street lamp for preventing overheating according to claim 2 is characterized in that: The metal heat dissipation tube (5) is fitted in the air duct (51) and is fixedly provided with a plurality of flow-guiding heat dissipation fins (7) distributed at equal intervals.

4. The semiconductor lighting solar street lamp for preventing overheating according to claim 3 is characterized in that: The air outlet (31) and the air inlet (32) are distributed on both sides of the air duct (51) and are opened at the bottom end of the outer wall of the lamp tube (3); the air outlet (31) and the air inlet (32) are covered with dustproof nets.

5. The semiconductor lighting solar street lamp for preventing overheating according to claim 4 is characterized in that: The outer wall of the metal heat dissipation tube (5) is fixedly provided with a plurality of engaging ridges (53), and the inner wall of the lamp tube (3) is provided with engaging grooves matching the engaging ridges (53).

Images