LED street lamp capable of reducing wind resistance
By combining staggered heat dissipation fins and air guide plates, the problem of poor heat dissipation caused by wind resistance and dust adhesion in LED streetlights is solved, achieving a more efficient heat dissipation effect.
Patent Information
- Application Number
- CN202520269841.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-19
- Publication Date
- 2026-01-09
- Estimated Expiration
- 2035-02-19
AI Technical Summary
The existing heat sink fin design of LED streetlights increases wind resistance, and after long-term use, dust accumulation on the fin surface leads to poor heat dissipation.
The design employs staggered heat dissipation fins, combined with air guide plates and heat conduction plates, to redirect airflow to avoid obstruction, reduce wind resistance, prevent dust accumulation, and improve heat dissipation.
It effectively reduces wind resistance, improves heat dissipation efficiency, and prevents dust from affecting the heat dissipation performance of the heat sink fins.
Smart Images
Figure CN223782716U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of street lamps, in particular to an LED street lamp capable of reducing wind resistance. BACKGROUND
[0002] The LED street lamp refers to a street lamp made of an LED light source. When the LED street lamp is used, the lamp panel inside the LED street lamp generates temperature. At present, in order to improve the heat dissipation effect of the LED street lamp, heat dissipation fins are installed on the top of the lamp shell of the LED street lamp. At present, the arrangement mode of the heat dissipation fins on the top of the LED street lamp is generally in rows. When the wind flow contacts the heat dissipation fins, the fins in the front row will form an obstruction, and the heat dissipation fins in the rear row will be affected, so that the heat dissipation effect will be poor. In addition, in the long-term use process, the external dust will be attached to the surface of the heat dissipation fins, so that the contact area between the heat dissipation fins and the air is reduced, and the heat dissipation effect is poor. CONTENT OF THE UTILITY MODEL
[0003] The application aims to provide an LED street lamp capable of reducing wind resistance, so as to solve the problems in the background.
[0004] To solve the above technical problems, the utility model provides the following technical scheme: including lamp shell, lamp panel and limiting assembly in lamp shell, the inside of lamp shell is equipped with the reflector that connects with lamp panel, the inside of lamp shell is assembled with transformer, the inside of lamp shell is equipped with the heat dissipation fin of a plurality of, and the heat dissipation fin is inlaid in the top of lamp shell, and the heat dissipation fin is inlaid in the top of lamp shell.
[0005] The inside of lamp shell is equipped with the heat dissipation fin of a plurality of, and the heat dissipation fin is inlaid in the top of lamp shell, and the heat dissipation fin is inlaid in the top of lamp shell.
[0006] In further embodiments, the plurality of heat dissipation fins are designed to be in multiple rows and staggered.
[0007] The above technical scheme is adopted: the flow of the wind flow is changed direction, and then contacts the heat dissipation fins in the rear row, so that the heat dissipation fins in the rear row are not blocked, and the wind volume of the wind flow contacting the heat dissipation fins in the rear row is guaranteed.
[0008] In further embodiments, the air guide plate is a sheet-shaped trapezoid, and the slope of the trapezoidal air guide plate has a certain arc.
[0009] The above technical scheme is adopted: when the wind flow contacts the air guide plate, the wind flow can be blown into the space between the lamp shell and the air guide plate under the action of the arc slope of the air guide plate, so that the wind flow accelerates to contact the heat dissipation fins.
[0010] In further embodiments, the outer wall of the lamp shell is designed to have two slopes with a certain arc.
[0011] The above technical scheme has the advantages that when the air flow contacts the lamp shell, the air flow is divided at the two arc-shaped inclined surfaces on the outer wall of the lamp shell, the contact area of the air flow with the lamp shell is reduced, and the purpose of reducing the wind resistance is achieved.
[0012] In a further embodiment, the limiting assembly comprises a connecting block, a first clamping hoop fixedly connected to the connecting block, and a second clamping hoop on the side of the first clamping hoop away from the connecting block, and the first clamping hoop and the second clamping hoop are fixed by bolts.
[0013] The above technical scheme has the advantage that the lamp shell is conveniently fixed on the external support rod.
[0014] In a further embodiment, the material of the protective plate is transparent acrylic.
[0015] The above technical scheme has the advantages of ensuring the transparency and durability of the protective plate.
[0016] In a further embodiment, the material of the heat dissipation fins is copper sheet.
[0017] The above technical scheme has the advantage of ensuring the heat conduction effect of the heat dissipation fins.
[0018] In a further embodiment, the material of the heat conduction plate is aluminum sheet.
[0019] The above technical scheme has the advantage of ensuring the heat conduction effect of the heat conduction plate.
[0020] The present application designs the heat dissipation fins in a staggered row, so that when the air flow contacts the front row of heat dissipation fins, the flow direction of the air flow is changed, and then contacts the rear row of fins, preventing the rear row of heat dissipation fins from being blocked by the air flow, which reduces the air flow and affects heat dissipation. In combination with the use of the air guide plate, dust can be prevented from falling on the surface of the heat dissipation fins, and the incoming air flow can be guided to accelerate into the air guide plate and the lamp shell to contact the heat dissipation fins, which helps to improve the heat dissipation effect. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 The structure of the embodiment of the present application is shown in the structure diagram;
[0022] Figure 2 The structure of the embodiment of the present application is shown in the structure diagram;
[0023] Figure 3 The structure of the embodiment of the present application is shown in the structure diagram;
[0024] Figure 4 The structure of the embodiment of the present application is shown in the structure diagram;
[0025] In the figure: 1, lamp shell; 2, lamp panel; 3, limiting assembly; 31, connecting block; 32, first hoop; 33, second hoop; 4, reflector; 5, transformer; 6, protective plate; 7, heat dissipation fin; 8, heat conduction plate; 9, air deflector. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0027] Embodiment 1
[0028] Please refer to Figure 1 , Figure 2 and Figure 3 , a LED street lamp with reduced wind resistance, comprising a lamp shell 1, a lamp panel 2 and a limiting assembly 3 arranged inside the lamp shell 1, the inside of the lamp shell 1 is provided with a reflector 4 connected with the lamp panel 2, the inside of the lamp shell 1 is assembled with a transformer 5, and the bottom of the lamp shell 1 is bonded with a protective plate 6 in the step. The embodiment comprises the lamp shell 1 and the lamp panel 2 installed inside the lamp shell 1, and the wind flow is divided and the contact area of the wind flow with the lamp shell 1 is reduced at the two arc-shaped slopes of the outer wall of the lamp shell 1, so that the purpose of reducing the wind resistance is achieved. The lamp panel 2 is the core of the whole street lamp and provides light source for the whole street lamp. The reflector 4 is arranged inside the lamp shell 1 and is provided with a hole for clamping the lamp beads on the lamp panel 2. The reflector 4 can improve the brightness of the light of the lamp beads. The transformer 5 can adjust the voltage supplied to the lamp panel 2 from the outside to ensure that the lamp panel 2 can work normally. The protective plate 6 is installed in the step of the lamp shell 1 and plays a role of sealing and dustproofing the inside of the lamp shell 1. The limiting assembly 3 can facilitate the installation of the lamp shell 1 and fix it on the external support.
[0029] The top of the lamp shell 1 is embedded with a plurality of heat dissipation fins 7, and the heat dissipation fins 7 penetrate into the inside of the lamp shell 1. The inside of the lamp shell 1 is provided with a heat conduction plate 8 fixedly connected with the heat dissipation fins 7. The top of the lamp shell 1 is provided with an air deflector 9 fixedly connected with the heat dissipation fins 7, as shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the heat dissipation fins 7 are staggered in rows, and the air deflector 9 is used to avoid the front row of heat dissipation fins 7 from blocking the wind flow of the rear row of heat dissipation fins 7 and to avoid the rear row of heat dissipation fins 7 from being poor in heat dissipation. In addition, the external dust is prevented from adhering to the surface of the heat dissipation fins 7, which reduces the contact area of the heat dissipation fins 7 with the air and leads to poor heat dissipation effect.
[0030] Specific, heat-conducting plate 8 and lamp plate 2 are installed together, the material of heat-conducting plate 8 is aluminum sheet, when high temperature is generated in lamp plate 2, heat-conducting plate 8 can transmit the temperature of lamp plate 2 to the heat dissipation fin 7 of staggered design, the heat dissipation fin 7 of first contact wind flow changes the flow direction after contacting wind flow, so that wind flow can contact the heat dissipation fin 7 of rear row, wind flow carries away heat, realizes the heat dissipation of lamp plate 2, and cooperates with the use of air deflector 9, can avoid dust falling on the surface of heat dissipation fin 7, simultaneously, the inclined plane with certain camber of air deflector 9 can also guide the wind flow of coming direction, makes it accelerate into the air deflector 9 and lamp shell 1 between and heat dissipation fin 7 contact, help to improve the effect of heat dissipation.
[0031] Further, the limiting assembly 3 includes a connecting block 31, a first clamp 32 fixedly connected with the connecting block 31, and a second clamp 33 away from the first clamp 32, and the first clamp 32 and the second clamp 33 are fixed by bolts, such as Figure 1 and Figure 3 The connecting block 31 is used for connecting the lamp shell 1 and the first clamp 32, and the first clamp 32 and the second clamp 33 can be assembled on the surface of the support and fixed by bolts to install and fix the lamp shell 1.
[0032] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A wind resistance reducing LED street lamp, comprising a lamp shell (1), a lamp panel (2) arranged in the lamp shell (1), and a limiting assembly (3), characterized in that: The inside of the lamp shell (1) is provided with a light cover (4) clamped with the lamp panel (2), the inside of the lamp shell (1) is provided with a transformer (5), the bottom of the lamp shell (1) is provided with a protection plate (6) bonded in the step. The top of the lamp shell (1) is embedded with a plurality of heat dissipation fins (7), and the heat dissipation fins (7) penetrate into the inside of the lamp shell (1), the inside of the lamp shell (1) is provided with a heat conduction plate (8) fixedly connected with the heat dissipation fins (7), and the top of the lamp shell (1) is provided with an air baffle (9) fixedly connected with the heat dissipation fins (7).
2. The wind resistance reducing LED street lamp according to claim 1, characterized in that: The plurality of heat dissipation fins (7) are designed as multiple rows and staggered distribution.
3. The wind resistance reducing LED street lamp according to claim 1, characterized in that: The air baffle (9) is a sheet-shaped trapezoid, and the slope of the trapezoidal air baffle (9) has a certain curvature.
4. The wind resistance reducing LED street lamp according to claim 1, characterized in that: The outer wall of the lamp shell (1) is designed as two slopes with a certain curvature.
5. The wind resistance reducing LED street lamp according to claim 1, characterized in that: The limiting assembly (3) comprises a connecting block (31), a first clamp (32) fixedly connected with the connecting block (31), and a second clamp (33) on the side of the first clamp (32) away from the connecting block (31), and the first clamp (32) and the second clamp (33) are fixed by bolts.
6. The wind resistance reducing LED street lamp according to claim 1, wherein: The material of the protection plate (6) is transparent acrylic.
7. The wind resistance reducing LED street lamp according to claim 1, wherein: The material of the heat dissipation fin (7) is copper sheet.
8. The wind resistance reducing LED street lamp according to claim 1, characterized in that: The material of the heat conduction plate (8) is aluminum sheet.