LED street lamp efficient in heat dissipation and long in service life

Abstract

The utility model discloses an LED (light-emitting diode) street lamp with high heat dissipation efficiency and long service life, which relates to the technical field of LED illumination and comprises a street lamp main body, and an LED lamp is arranged in the street lamp main body; the LED lamp makes contact with the heat conduction plate, the heat conduction plate is arranged in the street lamp body, and a cavity is formed in the street lamp body. The cavity is filled with heat absorption liquid; the inner side wall of the cavity is in sliding connection with a heat conducting plate; the heat-conducting plate is in close sliding contact with the inner side wall of the cavity, and a stirring wheel is arranged at the top of the cavity and driven by a windmill to rotate to accelerate liquid convection heat dissipation; a heat conduction pipe is arranged on the back of the street lamp and communicates with the cavity, and heat is further conducted out through the heat pipe phase change principle; a servo motor drives a cylindrical cam, and a sliding rod is linked through a sliding groove and an insertion rod, so that a heat conduction plate periodically slides on the inner side wall of a cavity, the liquid flowing path is changed, and local heat accumulation is avoided; the windmill is coaxially connected with the stirring wheel, natural wind is used for driving the stirring wheel to rotate, and extra electric power is not needed.

Description

TECHNICAL FIELD

[0001] The utility model relates to LED lighting technical field, concretely is a kind of high efficiency heat dissipation long life LED street lamp. BACKGROUND

[0002] The patent with disclosure (announcement) number CN222011842U discloses a kind of LED street lamp with heat dissipation structure, including shell and light-emitting module, shell is equipped with mounting plate, light-emitting module is installed at the lower end of mounting plate, and the upper end of mounting plate is equipped with heat dissipation module, heat dissipation module includes heat dissipation plate and several heat dissipation columns, the lower end of heat dissipation column is connected with mounting plate, and the upper end of heat dissipation column is connected with heat dissipation plate, and several heat dissipation holes are equipped on heat dissipation plate, and heat dissipation channel is formed between heat dissipation plate, mounting plate and heat dissipation column.

[0003] The heat generated by the above-mentioned prior art through light-emitting module is transferred to heat dissipation plate through heat dissipation column, and heat dissipation hole is provided on heat dissipation plate, and heat dissipation channel is formed between heat dissipation plate, mounting plate and heat dissipation column, so that the heat generated by light-emitting module is completed by heat dissipation through air circulation in heat dissipation channel and heat dissipation hole, and passive heat dissipation structure cannot dynamically adjust heat dissipation intensity, and it is difficult to adapt to different working conditions. Therefore, the utility model provides a kind of high efficiency heat dissipation long life LED street lamp in combination with liquid heat absorption, wind energy driven stirring and active adjustment heat conduction path. UTILITY MODEL CONTENT

[0004] Therefore, in order to solve the above-mentioned deficiencies, the utility model provides a kind of high efficiency heat dissipation long life LED street lamp.

[0005] The utility model is realized in this way, constructs a kind of high efficiency heat dissipation long life LED street lamp, the device includes street lamp main body, and a LED lamp is equipped in street lamp main body;LED lamp is contacted with heat conduction plate, and heat conduction plate is located in street lamp main body, and a cavity is equipped in street lamp main body;

[0006] Heat-absorbing liquid is filled in the cavity;

[0007] A heat conduction plate is slidably connected to the inner side wall of the cavity;

[0008] The heat conduction plate is in close sliding contact with the inner side wall of the cavity.

[0009] Preferably, a stirring wheel for stirring the heat-absorbing liquid is rotatably connected to the upper end of the cavity;

[0010] The center of the stirring wheel is fixedly connected to the conveying shaft;

[0011] The conveying shaft is rotatably connected to the street lamp main body shell;

[0012] The other end of the conveying shaft is fixedly connected to the windmill.

[0013] Preferably, a heat pipe is embedded in the back of the street lamp main body.

[0014] The heat pipe is communicated with the cavity;

[0015] The back of the street lamp body is bolted with a servo motor;

[0016] The inner side wall of the cavity is fixedly connected with a receiving frame.

[0017] Preferably, the receiving frame is rotatably connected with a transmission shaft;

[0018] The transmission shaft is fixedly connected with the output shaft of the servo motor;

[0019] The transmission shaft drives the cylindrical cam to be rotatably connected with the receiving frame.

[0020] Preferably, the side wall of the cylindrical cam is embedded with a sliding groove;

[0021] The sliding groove is slidably connected with an insertion rod.

[0022] Preferably, the other end of the insertion rod is rotatably connected with a sliding rod;

[0023] The sliding rod is slidably connected with the side wall of the receiving frame and is fixedly connected with the heat conduction plate.

[0024] Compared with the prior art, the utility model has the beneficial effects that:

[0025] The cavity top is provided with a stirring wheel, which is driven to rotate by the windmill to accelerate the liquid convection heat dissipation; the back of the street lamp is provided with a heat pipe, which is communicated with the cavity, and further heat is led out through the heat pipe phase change principle; the servo motor drives the cylindrical cam, and through the sliding groove and the insertion rod linkage sliding rod, the heat conduction plate is periodically slid on the inner side wall of the cavity, the liquid flow path is changed, and local heat accumulation is avoided; the windmill and the stirring wheel are coaxially connected, and the stirring wheel is driven to rotate by the natural wind, and no additional power is needed. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0027] Figure 2 It is the back view of the utility model;

[0028] Figure 3 It is the cavity inner connecting structure schematic diagram of the utility model;

[0029] Figure 4 It is the receiving frame connecting structure schematic diagram of the utility model;

[0030] Figure 5 It is the windmill connecting structure schematic diagram of the utility model;

[0031] Figure 6 It is the Figure 3A magnified structural diagram at point A in the diagram.

[0032] The components include: street light body-1, LED light-2, cavity-3, heat conduction plate-31, stirring wheel-4, conveying shaft-5, windmill-6, heat conduction pipe-7, servo motor-8, receiving frame-9, transmission shaft-10, cylindrical cam-11, slide groove-12, insertion rod-13, and sliding rod-14. Detailed Implementation

[0033] The following will be combined with the appendix Figures 1-6 This utility model will be described in detail, and the technical solutions in the embodiments of this utility model will be clearly explained. The described embodiments are obviously only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0034] It should be noted that when a component is described as "fixed to" another component, it can be directly on the other component or may have an intervening component. When a component is considered to be "connected to" another component, it can be directly connected to the other component or may have an intervening component. When a component is considered to be "set on" another component, it can be directly set on the other component or may have an intervening component. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only.

[0035] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0036] Please see Figures 1 to 6 This utility model discloses a high-efficiency heat dissipation and long-life LED street light, including a street light body 1, an LED light 2 inside the street light body 1, the LED light 2 being in contact with a heat-conducting plate 31, the heat-conducting plate 31 being disposed inside the street light body 1, a cavity 3 inside the street light body 1, the cavity 3 being filled with a heat-absorbing liquid, and a heat-conducting plate 31 being slidably connected to the inner side wall of the cavity 3, the heat-conducting plate 31 being in close sliding contact with the inner side wall of the cavity 3.

[0037] Specific, the cavity 3 in the upper end rotationally connected with a stirring wheel 4 for stirring the liquid endothermic, stirring wheel 4 center with the delivery shaft 5 fixedly connected, delivery shaft 5 with street lamp body 1 shell rotationally connected, delivery shaft 5 other end with windmill 6 fixedly connected, stirring wheel 4 is four-leaf turbine structure, material is plastic, windmill 6 uses carbon fiber blade.

[0038] Specific, the back of the street lamp body 1 is embedded with a heat pipe 7, the heat pipe 7 is hollow, the surface of the heat pipe 7 is welded with aluminum heat sink fins, the heat pipe 7 is communicated with the cavity 3, the back of the street lamp body 1 is bolted with a servo motor 8, the inner side wall of the cavity 3 is fixedly connected with a receiving frame 9, the receiving frame 9 is rotationally connected with a transmission shaft 10, the transmission shaft 10 is fixedly connected with the output shaft of the servo motor 8, the transmission shaft 10 drives the cylindrical cam 11 to rotationally connect with the receiving frame 9, the side wall of the cylindrical cam 11 is embedded with a sliding groove 12, the sliding groove 12 is slidingly connected with an insertion rod 13, the other end of the insertion rod 13 is rotationally connected with a sliding rod 14, the sliding rod 14 is slidingly connected with the side wall of the receiving frame 9 and is fixedly connected with the heat pipe 31.

[0039] Specific, when the LED lamp 2 generates heat, the heat is conducted to the heat-absorbing liquid in the cavity 3 through the heat pipe 31, the natural wind drives the windmill 6 to rotate, which drives the stirring wheel 4 to stir the liquid, accelerates the heat transfer to the heat pipe 7, the servo motor 8 is periodically started to drive the cylindrical cam 11 to rotate, which drives the heat pipe 31 to slide up and down through the sliding groove 12-insertion rod 13-sliding rod 14 transmission, so that the heat-absorbing liquid in the cavity 3 enters the heat pipe 7, improves the heat exchange uniformity, and the heat is finally dissipated to the environment through the phase change heat transfer of the heat pipe 7 and the convection of the fins.

[0040] The above shows and describes the basic principles and main features of the present application and the advantages of the present application, and the standard parts used in the present application can be purchased from the market, and the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolt rivet, welding and the like in the prior art, and the mechanical parts and equipment adopt the conventional types in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0041] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present application. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A high-efficiency heat-dissipation long-life LED street lamp, comprising a street lamp body (1), wherein an LED lamp (2) is arranged in the street lamp body (1); the LED lamp (2) is in contact with a heat-conducting plate (31) arranged in the street lamp body (1); the street lamp body (1) is provided with a cavity (3); the cavity (3) is filled with a heat-absorbing liquid; the heat-conducting plate (31) is slidably connected to the inner side wall of the cavity (3); and the heat-conducting plate (31) is in close sliding contact with the inner side wall of the cavity (3). characterized in that An agitator wheel (4) for stirring the heat-absorbing liquid is rotatably connected to the upper end of the cavity (3); the agitator wheel (4) is fixedly connected to a conveying shaft (5) at the center thereof; the conveying shaft (5) is rotatably connected to the shell of the street lamp body (1); and the other end of the conveying shaft (5) is fixedly connected to a windmill (6). A heat-conducting pipe (7) is embedded in the back of the street lamp body (1) and is in communication with the cavity (3); a servo motor (8) is bolted to the back of the street lamp body (1); a receiving frame (9) is fixedly connected to the inner side wall of the cavity (3). A transmission shaft (10) is rotatably connected to the receiving frame (9); the transmission shaft (10) is fixedly connected to the output shaft of the servo motor (8); and a cylindrical cam (11) is rotatably connected to the receiving frame (9) and is driven by the transmission shaft (10). A sliding groove (12) is embedded in the side wall of the cylindrical cam (11); an insertion rod (13) is slidably connected to the sliding groove (12); the other end of the insertion rod (13) is rotatably connected to a sliding rod (14); the sliding rod (14) is slidably connected to the side wall of the receiving frame (9) and is fixedly connected to the heat-conducting plate (31).

2. The long-life high-efficiency heat-dissipation LED street lamp according to claim 1, characterized in that: ​ ​ ​ ​ 3. The long-life high-efficiency heat-dissipation LED street lamp according to claim 2, characterized in that: ​ ​ ​ ​ 4. The long-life high-efficiency heat dissipating LED street lamp according to claim 3, characterized in that: ​ ​ ​ 5. The long-life high-efficiency heat dissipating LED street lamp according to claim 4, characterized in that: ​ ​ 6. The long-life high-efficiency heat dissipating LED street lamp according to claim 5, characterized in that: ​ ​

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