CN201621505U - LED fluorescent tube with heat dissipation function - Google Patents

Abstract

The utility model provides a LED fluorescent tube with heat dissipation function, include: the lamp wick is arranged on the circuit board and sealed by the shell, air inlets are formed in the end faces of two sides of the shell, and heat dissipation holes are formed in the pipe body of the shell. The heat dissipation holes are preferably formed on two sides of the lamp tube close to the lamp head part, preferably on the side back to the lamp light. The utility model provides a fluorescent tube possesses good heat dissipation function, has improved the life of LED fluorescent tube to simple structure, low cost.

Description

A kind of LED lamp tube with cooling function

technical field

The utility model belongs to the field of LED lamps, in particular to an LED energy-saving lamp tube with heat dissipation function.

Background technique

LED is the abbreviation of English light emitting diode (light emitting diode). Its basic structure is a piece of electroluminescent semiconductor material, placed on a shelf with leads, and then sealed with epoxy resin around it to protect the inner core wire. effect. The core part of a light-emitting diode is a wafer composed of a p-type semiconductor and an n-type semiconductor, and there is a transition layer between the p-type semiconductor and the n-type semiconductor, which is called a p-n junction. In the PN junction of some semiconductor materials, when the injected minority carriers recombine with the majority carriers, the excess energy will be released in the form of light, thereby directly converting electrical energy into light energy. In the process of energy conversion, its circuit board and power supply will inevitably emit a certain amount of heat. Moreover, the LED lamp is in a completely closed environment, and the heat cannot be emitted. At present, many LED light brackets have double-sided boards and multi-layer boards with high density and high power, and it is difficult to dissipate heat. Conventional printed board substrates such as FR4 and CEM3 are poor conductors of heat, and the interlayer insulation prevents heat from being dissipated. This will lead to high temperature failure of electronic components.

Contents of the invention

The purpose of the utility model is to provide an LED lamp tube with simple structure and good heat dissipation function.

The LED lamp tube with heat dissipation function provided by the utility model includes: a wick, a circuit board and a casing, wherein the wick is installed on the circuit board and sealed by the casing, and air inlet holes are opened on both sides of the casing. The tube body is provided with cooling holes. The heat dissipation holes are preferably opened on both sides of the lamp tube close to the lamp head, preferably on the side facing away from the light. The air inlet holes are preferably circular, and the heat dissipation holes are preferably long strips. The number of air intake holes on each end surface is preferably 2, and the number of cooling holes is preferably 4, which are evenly distributed on both sides of the lamp tube.

The lamp tube provided by the utility model has a good heat dissipation function, improves the service life of the LED lamp tube, and has a simple structure and low cost.

Description of drawings

Fig. 1 is a partial schematic diagram of the end face of the lamp cap of the utility model;

Fig. 2 is a partial schematic diagram of the lamp body of the lamp tube of the present invention.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is described in detail. However, the following description is only for a better understanding of the technical solution, and does not constitute any limitation on the protected content.

Fig. 1 is a partial schematic diagram of the end face of the lamp cap of the utility model. Wherein the lamp tube is circular, of course the lamp tube can also be in other shapes. The lamp tube includes a shell, a wick and a circuit board (not shown) arranged and sealed inside the shell. The shell of the lamp tube is provided with pins 1 on its end face, and two air inlet holes 2 are also opened on the end face. The shape of the air inlet hole is circular, and it can also be adjusted to other shapes as required.

As shown in Fig. 2, it is a schematic diagram of the lamp body of the utility model lamp tube, and two strip-shaped cooling holes 3 are respectively opened on both sides of the tube body part of the shell. The number of cooling holes can also be adjusted according to the length of the lamp tube. The heat dissipation holes are opened on the side facing away from the light.

The lamp tube provided by the utility model, because the lamp head is separately provided with air intake holes, and the lamp body part is provided with cooling holes, thereby forming convection inside the lamp body, having a good heat dissipation function, and improving the service life of the LED lamp tube. Moreover, the structure is simple and the cost is low.

Claims (8)

1. A kind of LED lamp tube with heat dissipation function, comprising: wick, circuit board and shell, it is characterized in that wick is installed on the circuit board and is sealed by shell, offers air inlet on shell both sides end faces. 2. The LED light tube according to claim 1, characterized in that a cooling hole is opened on the body part of the casing. 3. The LED lamp tube according to claim 2, wherein the cooling holes are opened on both sides of the lamp tube close to the lamp head. 4. The LED lamp tube according to claim 2 or 3, characterized in that the cooling holes are opened on the side facing away from the light. 5. The LED lamp tube according to claim 1, characterized in that the air inlet hole is circular. 6. The LED lamp tube according to claim 2 or 3, characterized in that the heat dissipation holes are strip-shaped. 7. The LED lamp tube according to claim 1 or 5, characterized in that the number of the air inlet holes on each end face is two. 8. The LED lamp tube according to claim 2 or 3, characterized in that the number of the cooling holes is 4 and evenly distributed on both sides of the lamp tube.

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