CN201568933U - A LED street light system - Google Patents

Abstract

This patent discloses an LED street lamp system, which includes a cavity filled with liquid and at least one LED lamp. The LED lamp is directly installed on the surface of the cavity, and the LED pins are welded on the circuit board fixed on the cavity. The infusion port and exhaust port have cooling fins on one side of the cavity. The power cabinet uniformly provides safe DC voltage to at least one LED street lamp. The utility model effectively solves the problem of heat dissipation of the LED and the safety problem of electricity consumption of the street lamp.

Description

A LED street light system

technical field

The utility model patent relates to the lighting field, in particular to an LED street lamp

Background technique

LED lighting has the characteristics of good chromaticity, maintenance-free, and long life. In today's increasingly tense energy environment, it is an inevitable trend for future development that LED street lights replace traditional street lighting for large electricity consumers in cities. However, due to technical reasons, LEDs generate a lot of heat, and the heat seriously affects the light decay and life of LEDs. Therefore, the promotion and application of LEDs and heat dissipation are key technologies that must be solved, which restricts the development of LEDs. Most of the existing LED street lamps on the market use the lamp housing as the LED heat sink. In this type of lamp, the LED and the cooling fin are separated by an aluminum substrate, a heat pipe and an aluminum lamp housing, especially the aluminum substrate. There are a lot of references in LED street lamps. Although thermal grease is applied, the thermal resistance of the aluminum substrate still affects the heat conduction. The current LED street lamp is the mains supply to the power supply of each LED lamp through the main line, and then the power supply converts the mains power into DC supply to the LED lights. In the case of neutralizing wire damage, safety accidents are prone to occur.

Contents of the invention

The technical problem to be solved by the utility model is to provide an LED street lamp system with good heat dissipation performance, energy saving, safety and reliability, aiming at the above shortcomings.

The purpose of the utility model can be achieved through the following technical solutions. The LED street lamp system includes a set of lamp heat dissipation system and a set of power supply system.

The LED street lamp is characterized in that: the bottom of the LED lamp is directly installed on the cooling system,

The LED street lamp is characterized in that: the heat dissipation system is a cavity with fins,

The LED street lamp is characterized in that: there is a cooling or heat conducting liquid in the cavity with fins,

The LED street lamp is characterized in that: there is a circuit board on one side of the cavity with fins, the LED lamp pins are welded on the circuit board, and the bottom of the LED is directly connected to the cavity through thermal conductive silicone grease.

The LED street lamp is characterized in that: the LED lamps are powered uniformly by the movie cabinet,

The LED street lamp is characterized in that: the power supply cabinet is a DC safe voltage,

Compared with the prior art, the utility model adopts the design that the bottom of the LED lamp is directly installed on the cavity with fins, which effectively reduces the thermal resistance. There is cooling or heat conducting liquid in the cavity, and there are infusion ports and The exhaust port can effectively evacuate the air in the cavity, and the liquid can quickly conduct the heat of the LED lamp and dissipate it through the fins, and the heat conduction performance of the LED lamp is effectively enhanced. The power supply is powered by the safe voltage of the unified power cabinet, and the output from the power cabinet is all DC safe voltage, which effectively avoids the occurrence of safety accidents and the phenomenon of stealing electricity on the street lamp line, because it is a low-voltage power supply, the construction cost of the main line is also greatly reduced. Few equipment failure points, easy maintenance.

Description of drawings

Fig. 1 is a structural schematic diagram of the heat dissipation system of the lamp in the utility model.

Fig. 2 is a schematic diagram of a partially enlarged structure of the LED lamp in the utility model.

Fig. 3 is a schematic diagram of the plane installation of the LED lamp of the present invention.

Fig. 4 is a schematic diagram of the LED street lamp power supply system of the present invention. In the figure, DC power supply 1 Main transmission line 2 Power cabinet 3 Infusion port 4 Exhaust port 5 Fin 6 Cavity 7 Liquid 8 Circuit board 9 LED lamp 10 Thermal conductive silicone grease 11 Infusion port cover 12 Exhaust port cover 13

Detailed ways

Below in conjunction with accompanying drawing embodiment the utility model is described in further detail

The typical structure of the utility model is shown in Fig. 1, Fig. 2 and Fig. 3. The lamp cooling system includes a cavity 7 filled with a liquid 8, a circuit board 9, and an LED lamp 10. At least one LED lamp 10 is installed on the bottom of the cavity 7 after applying heat-conducting silicone grease 11 on the bottom. There is a square circuit board 9 at the pins on both sides of the LED lamp 10, and the circuit board 9 is fixed on the bottom of the cavity 7. The pin is welded on one end of the circuit board 9, and the other end is welded to a pin of the next LED lamp 10, and the rest of the LED lamps 10 are installed in sequence. There is a cooling or heat-conducting liquid 8 in the cavity 7, two holes are opened at one end of the upper plane of the cavity 7, and two round pipes extend into the cavity 7 to form an infusion port 4 and an exhaust port 5, and the cavity 7 Lay it horizontally so that the height of the infusion port 4 and the exhaust port 5 are approximately equal, then pass the liquid 8 through the infusion port 4 to the cavity 7, and when the liquid 8 flows out of the exhaust port 5, seal it with the vent port cover 13 Exhaust port 5, when the liquid 8 flows out from the infusion port 4, seal the infusion port 4 with the infusion port cover 12 to complete the infusion process, if after a period of work, the liquid 8 needs to be replenished, just Just repeat this process. The cooling system can exist in the form of a lamp, or as a part of the lamp.

The typical structure of the utility model is shown in FIG. 4 . The LED street lamp power supply system includes a DC power supply 1 , a main transmission line 2 and a power supply cabinet 3 . The input of the power supply cabinet 3 is 380V mains voltage, and the output is a DC safety voltage below 36V, and the voltage is transmitted to several LED street lamps through the main power transmission line 2 .

Although the utility model is illustrated and described only through the embodiments, those skilled in the art should understand that within the scope of the claims, the different numbers and shapes of the cavities 7 and the different numbers of the LED lamps all belong to Protection scope of the present utility model.

Claims (7)

1. A LED street lamp system, comprising a heat dissipation system and a power supply system, is characterized in that at least one LED lamp (10) and a corresponding circuit board (9) are installed on the bottom surface of the cavity (7), and the LED street lamp is composed of a power supply cabinet ( 3) Unified power supply through the main transmission line (2). 2. The LED street lamp system according to claim 1, characterized in that: thermal conductive silicone grease (11) is applied between the LED lamp (10) and the cavity (7). 3. The LED street lamp system according to claim 1, characterized in that: the conductive pins of the LED lamp (10) are welded on the circuit board (9) fixed on the surface of the cavity (7). 4. The LED street lamp system according to claim 1, characterized in that: cooling or heat conducting liquid (8) is installed inside. 5. The LED street lamp system according to claim 1, characterized in that: there is an infusion port (4) and an exhaust port (5). 6. The LED street lamp system according to claim 1, characterized in that: one side has cooling fins. 7. The LED street lamp system according to claim 1, characterized in that: the input is commercial power or 380V voltage, and the output is DC safe voltage.

Images