CN201652037U - Led street lamp - Google Patents

Abstract

The utility model relates to the technical field of lighting fixtures, and in particular to an LED street lamp, which comprises an LED module, an electronic ballast, and a shell made of aluminum alloy, wherein the electronic ballast is electrically connected to the LED module, a plurality of heat dissipation fins are formed on the top of the shell, a heat-conducting copper tube is embedded in the bottom of the shell, the LED module is fixed to the bottom of the shell, the heat dissipation end surface of the top of the LED module is close to the exposed side of the heat-conducting copper tube, and a lens is covered below the LED module. Since the heat-conducting copper tube has good thermal conductivity, the heat-conducting copper tube of the utility model can quickly transfer the heat generated by the LED module when it is working to the shell, and then the heat is dissipated by the shell through the plurality of heat dissipation fins. Therefore, the utility model not only maintains the good heat dissipation effect of the shell made of aluminum alloy, but also improves the thermal conductivity of the shell by embedding the heat-conducting copper tube, that is, improves the heat dissipation efficiency of the LED street lamp.

Description

LED street light

Technical field:

The utility model relates to the technical field of lighting fixtures, in particular to an LED street lamp.

Background technique:

With the gradual development of social economy, due to the long service life of LED (Light Emitting Diode, light-emitting diode), low energy consumption and remarkable energy saving, lamps using LED as light source will replace traditional lamps, such as LED street lamps. The general LED street lamp is mainly composed of a shell and an LED light installed inside the shell. Because the LED light generates a lot of heat when it is working, the LED light is closely attached to the shell, and the surface of the shell is formed with a plurality of cooling fins. , so that the heat generated by the LED lamp can be dissipated in time through the casing. However, most of the shells of existing LED street lamps are made of aluminum alloy, and the heat dissipation effect of aluminum alloy is good, and the thermal conductivity is not good. Therefore, the LED lamp cannot quickly transfer heat to the shell made of aluminum alloy, resulting in The heat dissipation efficiency of LED street lights is not high.

Utility model content:

The purpose of the utility model is to provide an LED street lamp with good heat dissipation effect and high heat dissipation efficiency in view of the deficiencies in the prior art.

In order to achieve the above object, the technical solution adopted by the utility model is:

It includes an LED module, an electronic ballast, and a shell made of aluminum alloy. The electronic ballast is electrically connected to the LED module. A plurality of cooling fins are formed on the top of the shell, and a heat conduction fin is embedded in the bottom of the shell. The copper tube and the LED module are fixed at the bottom of the casing, the heat dissipation end surface of the top of the LED module is close to the exposed side of the heat-conducting copper tube, and the bottom of the LED module is covered with a lens.

The bottom of the shell is provided with a groove, and the heat-conducting copper pipe is embedded and fixed in the groove, and one side is exposed.

The plurality of cooling fins on the top of the housing are all arranged horizontally.

An accommodating area is provided on the top of the housing, the electronic ballast is placed in the accommodating area, and a cover is provided at the opening of the accommodating area.

A shallow groove is opened at the bottom of the shell, and a copper foil wire is arranged in the shallow groove, and the electronic ballast is electrically connected with the LED module through the copper foil wire.

The bottom end of the housing is provided with a fixing part through screws, and the fixing part is provided with a clamping hole matching the lens, and the lens is clamped and fixed in the clamping hole.

A waterproof rubber ring is provided between the fixing part and the shell.

One side of the shell is provided with a mounting hole, and a fixing screw is provided in the mounting hole.

The beneficial effects of the utility model are:

An LED street lamp provided by the utility model includes an LED module, an electronic ballast, and a casing made of aluminum alloy. The bottom of the shell is embedded with a heat-conducting copper tube, the LED module is fixed on the bottom of the shell, the heat-dissipating end surface of the top of the LED module is close to the exposed side of the heat-conducting copper tube, and the bottom of the LED module is covered with a lens. Since the heat-conducting copper tube has better heat-conducting performance, the heat-conducting copper tube of the utility model can quickly transfer the heat generated by the LED module to the casing, and then dissipate it from the casing through a plurality of cooling fins. Therefore, the utility model not only maintains the good heat dissipation effect of the shell made of aluminum alloy, but also improves the heat conduction performance of the shell by embedding heat-conducting copper tubes, that is, improves the heat dissipation efficiency of the LED street lamp.

Description of drawings:

Fig. 1 is the structural representation of the utility model embodiment one;

Fig. 2 is a schematic structural view of a cover hidden in Embodiment 1 of the utility model;

Fig. 3 is an exploded schematic diagram of Embodiment 1 of the utility model;

Fig. 4 is a schematic structural diagram of Embodiment 2 of the utility model.

Reference signs:

1——LED Module 2——Electronic Ballast

3——shell 31——groove

32——Accommodating area 33——Shallow groove

34——installation hole 35——fixing screw

4——radiating fins 5——heat conduction copper tube

6——Lens 7——Cover

8——Copper foil wire 9——Fixer

91——Clip hole 92——Waterproof apron

Detailed ways:

The utility model will be further described below in conjunction with the accompanying drawings. Please refer to Figures 1-3, which is the first embodiment of the utility model, which includes an LED module 1, an electronic ballast 2, and a housing 3 made of aluminum alloy. The electronic ballast 2 is electrically connected with the LED module 1, a plurality of cooling fins 4 are formed on the top of the casing 3, a heat-conducting copper tube 5 is embedded in the bottom of the casing 3, and the LED module 1 is fixed on the bottom of the casing 3 The heat dissipation end surface of the top of the LED module 1 is close to the exposed side of the heat-conducting copper tube 5, and the lower part of the LED module 1 is covered with a lens 6. More specifically, the bottom of the housing 3 is provided with a groove 31 , the heat-conducting copper tube 5 is embedded and fixed (such as being pressed and embedded by a machine) in the groove 31, and one side is exposed, and the LED module 1 is fixed on the bottom of the shell 3 by screws, so that the heat dissipation end surface of the top of the LED module 1 is tight. The exposed side of the heat-conducting copper tube 5 makes the heat generated by the LED module 1 rapidly transfer to the heat-conducting copper tube 5. Apply thermal paste in between.

A plurality of cooling fins 4 on the top of the housing 3 in this embodiment are all arranged horizontally, so that an air duct is formed between the two cooling fins 4 to facilitate air circulation, that is, air enters from one side and flows out from the other side, thereby Take away the heat and improve the cooling effect.

In this embodiment, the top of the housing 3 is provided with a housing area 32, more specifically, the housing area 32 is surrounded by a plurality of heat dissipation fins 4, and is used for the electronic ballast 2 for powering the LED module 1. Placed in the accommodation area 32, the opening of the accommodation area 32 is provided with a cover 7 to prevent sundries from falling into the accommodation area 32, and the periphery of the electronic ballast 2 is sealed by glue, which has a waterproof effect .

In this embodiment, the bottom of the housing 3 is provided with a shallow groove 33, and a copper foil wire 8 is arranged in the shallow groove 33, and the electronic ballast 2 is electrically connected to the LED module 1 through the copper foil wire 8 to supply power to the LED module 1. After the housing 3 of this embodiment is embedded with the heat-conducting copper tube 5 and the copper foil wire 8, a layer of waterproof paint will be sprayed on the surface of the bottom of the housing 3 to prevent the heat-conducting copper tube 5 and the copper foil wire 8 from being corroded or damaged, and then installed LED module 1, lens 6 and other components.

In this embodiment, the bottom of the housing 3 is provided with a fixing piece 9 through screws, and the fixing piece 9 is provided with a clamping hole 91 matching the lens 6, and the lens 6 is clamped and fixed in the clamping hole 91, so that the lens 6 is just positioned on the LED module. Below the group 1, the light emitted by the LED module 1 can be irradiated through the lens 6; a waterproof rubber ring 92 is provided between the fixing part 9 and the casing 3 to prevent rainwater from penetrating into the fixing part 9; the casing 3 One side of the LED street light is provided with a mounting hole 34, and a fixing screw 35 is provided in the mounting hole 34, so as to fix the LED street lamp on the lamp post.

When the utility model is in use, the plurality of heat-conducting copper tubes 5 can quickly transfer the heat generated by the LED module 1 to the casing 3, and then the casing 3 will dissipate it through the plurality of cooling fins 4 in time. Therefore, the utility model not only maintains the good heat dissipation effect of the shell 3 made of aluminum alloy, but also improves the heat conduction performance of the shell 3 by embedding the heat-conducting copper tube 5, that is, improves the heat dissipation efficiency of the LED street lamp.

Please refer to Fig. 4, which is the second embodiment of the present utility model. The difference between this embodiment and the first embodiment is that the shell 3 of this embodiment is a curved shape with one end upturned, which is different from the shell 3 of the first embodiment. Oval shape, of course, the housing 3 can also be in other shapes, as long as it has a better heat dissipation effect. Other structures of Embodiment 2 of the present utility model are the same as those of Embodiment 1, so details will not be repeated here.

The above is only a preferred embodiment of the utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the utility model patent application scope are all included in the utility model patent application scope .

Claims (8)

1. An LED street lamp, which includes an LED module (1), an electronic ballast (2), a shell (3) made of aluminum alloy, the electronic ballast (2) and the LED module (1) connected, the top of the housing (3) is formed with a plurality of heat dissipation fins (4), characterized in that: the bottom of the housing (3) is embedded with a heat-conducting copper tube (5), and the LED module (1) is fixed on the housing At the bottom of (3), the heat dissipation end surface at the top of the LED module (1) is close to the exposed side of the heat-conducting copper pipe (5), and the lower part of the LED module (1) is covered with a lens (6). 2. The LED street lamp according to claim 1, characterized in that: a groove (31) is provided at the bottom of the casing (3), and the heat-conducting copper tube (5) is embedded and fixed in the groove (31), and One side is exposed. 3. The LED street lamp according to claim 2, characterized in that: the plurality of cooling fins (4) at the top of the casing (3) are all arranged horizontally. 4. The LED street lamp according to claim 2, characterized in that: a housing area (32) is provided on the top of the casing (3), and the electronic ballast (2) is placed in the housing area (32), A cover (7) is provided at the opening of the accommodation area (32). 5. The LED street lamp according to claim 2, characterized in that: a shallow groove (33) is opened at the bottom end of the housing (3), and a copper foil wire (8) is arranged in the shallow groove (33). The flow device (2) is electrically connected to the LED module (1) through a copper foil wire (8). 6. The LED street lamp according to claim 2, characterized in that: the bottom end of the housing (3) is fitted with a fixing piece (9) through screws, and the fixing piece (9) is provided with a card matching the lens (6). The connecting hole (91), the lens (6) is clamped and fixed in the clamping hole (91). 7. The LED street lamp according to claim 6, characterized in that: a waterproof rubber ring (92) is provided between the fixing member (9) and the casing (3). 8. The LED street lamp according to claim 7, characterized in that: one side of the casing (3) is provided with a mounting hole (34), and a fixing screw (35) is provided in the mounting hole (34).

Images