CN102022651A - LED fluorescent lamp - Google Patents

Abstract

The invention discloses an LED fluorescent lamp which comprises a lampshade, an LED light source component, an LED driving component, two end covers and a heat dissipation shell, wherein the lampshade is connected with the heat dissipation shell, the two end covers are respectively buckled at two ends of the lampshade after the lampshade is connected with the heat dissipation shell, the LED light source component is connected with the LED driving component, the cross sections of the lampshade and the heat dissipation shell are both arc-shaped, a cavity is formed by the lampshade and the heat dissipation shell, and the LED light source component and the LED driving component are positioned in the cavity. Compared with the prior art, the cross sections of the lampshade and the radiating shell are both arc-shaped, so that the radiating effect of the whole LED fluorescent lamp is better, and the service life of the LED fluorescent lamp is prolonged. In addition, the LED light source assembly and the LED driving assembly are located in a cavity formed by the lampshade and the heat dissipation shell, and a heat dissipation device does not need to be additionally arranged, so that the cost is reduced.

Description

LED fluorescent lamp

technical field

The present invention relates to the technical field of lighting, and more particularly to an LED (Light Emitting Diode, light emitting diode) fluorescent lamp.

Background technique

In recent years, based on the characteristics of energy saving, environmental protection, high efficiency, small size, and long life, LED (Light Emitting Diode, light-emitting diode) lamps are more and more popular among people. The LED lamps have replaced traditional incandescent lamps and fluorescent lamps. a mainstream trend.

Existing LED fluorescent lamps generally include a lampshade, an LED light source assembly, an LED driver assembly, and a housing. The lampshade is fixedly connected to the housing, and the LED driver assembly is connected to drive the LED light source assembly to work. and the LED driver assembly is installed on the lampshade. In order to ensure the service life of the LED lamp tube, it is generally necessary to add a heat dissipation device to the housing. However, the structure of the heat dissipation device of the existing LED light tube is generally relatively complicated in price, the heat dissipation effect is not good, and the cost is relatively high.

Therefore, it is necessary to provide an improved LED fluorescent lamp to overcome the above defects.

Contents of the invention

The object of the present invention is to provide an LED fluorescent lamp, which has a better heat dissipation effect, thereby prolonging the service life of the LED lamp tube and having low cost.

In order to achieve the above object, the present invention provides an LED fluorescent lamp, which includes a lampshade, an LED light source assembly, an LED driver assembly, two end covers and a heat dissipation shell, the lampshade is connected to the heat dissipation shell, and the two end covers are respectively fastened together The LED light source assembly is connected to the LED drive assembly at both ends of the lampshade and the heat dissipation casing, wherein the cross-sections of the lampshade and the heat dissipation casing are arc-shaped, and the lampshade A cavity is formed with the heat dissipation housing, and the LED light source assembly and the LED driving assembly are located in the cavity.

Compared with the prior art, since the cross-section of the lampshade and the heat dissipation shell of the LED fluorescent lamp of the present invention are arc-shaped, the heat dissipation effect of the entire LED fluorescent lamp tube is better, thereby prolonging the service life of the LED fluorescent lamp. In addition, the LED light source assembly and the LED driving assembly are located in the cavity formed by the lampshade and the heat dissipation shell, and no additional heat dissipation device is required, which reduces the cost.

Preferably, the cross-sections of the lampshade and the heat dissipation housing are both semicircular.

Specifically, the heat dissipation housing includes a base plate and an arc-shaped plate, the base plate and the arc-shaped plate are integrated, and the LED light source assembly is installed on the base plate.

Specifically, a housing cavity is formed between the substrate and the arc-shaped plate, and the LED driving assembly is located in the housing cavity and drives the LED light source assembly to work.

Specifically, the LED light source assembly includes a circuit board and a plurality of LED chips, the circuit board is mounted on the substrate and connected to the LED driver assembly, and the plurality of LED chips are welded on the circuit board .

Preferably, the circuit board is a flexible circuit board.

Specifically, each of the end caps is provided with two pins to facilitate the installation of the LED fluorescent lamp.

Preferably, the lampshade is made of polycarbonate material. Since the polycarbonate material contains secondary optical enhancement components, the light transmittance of the lampshade can reach more than 90%.

Preferably, the heat dissipation casing is an aluminum casing, which effectively enhances the heat dissipation effect.

The present invention will become clearer through the following description in conjunction with the accompanying drawings, which are used to explain the embodiments of the present invention.

Description of drawings

Fig. 1 is a perspective view of an embodiment of the LED fluorescent lamp of the present invention.

FIG. 2 is an exploded view of FIG. 1 .

Fig. 3 is an enlarged side view of the LED fluorescent lamp shown in Fig. 1 with the end cover removed.

Detailed ways

Embodiments of the present invention will now be described with reference to the drawings, in which like reference numerals represent like elements. As mentioned above, the present invention provides an LED fluorescent lamp. Since the cross-sections of the lampshade and the heat dissipation shell of the LED fluorescent lamp are arc-shaped, the heat dissipation effect of the entire LED fluorescent lamp is better, thereby prolonging the life of the LED lamp tube. service life. In addition, the LED light source assembly and the LED driving assembly are located in the cavity formed by the lampshade and the heat dissipation shell, and no additional heat dissipation device is required, which reduces the cost.

Please refer to FIG. 1 to FIG. 3 , an embodiment of the LED fluorescent lamp of the present invention includes a lampshade 10 , an LED light source assembly 12 , an LED driver assembly, two end caps 16 and a heat dissipation shell 18 . The lampshade 10 is connected to the heat dissipation shell 18, the two end covers 16 are fastened to the connected ends of the lampshade 10 and the heat dissipation shell 18 respectively, and the LED light source assembly 12 is mounted on the heat dissipation shell 18 , the LED driving component is connected and drives the LED light source component to work.

Specifically, referring to FIG. 1 and FIG. 2, the heat dissipation housing 18 includes a base plate 181, an arc-shaped plate 182, and a housing cavity 183. The base plate 181 and the arc-shaped plate 182 are integrally structured, and the base plate The receiving cavity 183 is formed between the arc plate 181 and the arc plate 182 . The LED light source assembly 12 includes a plurality of LED chips 121 and a circuit board 122, the circuit board 122 is mounted on the substrate 181 and connected to the LED driving assembly, and the LED driving assembly is located in the housing cavity 183 Inside (as shown in FIG. 3 ), the plurality of LED chips 121 are welded on the circuit board 122 .

2 and 3, the cross-section of the lampshade 10 and the heat dissipation shell 18 is arc-shaped, preferably semicircular, and the lampshade 10 and the heat dissipation shell 18 form a cavity. The LED light source assembly 12 and the LED driving assembly 14 are located in the cavity.

Preferably, the circuit board is a flexible circuit board.

Preferably, as shown in FIG. 2 , each of the end caps 16 is provided with two pins 161 , which makes the installation of the LED fluorescent lamp more convenient.

Preferably, the lampshade 10 is made of polycarbonate material. Since the polycarbonate material contains secondary optical enhancement components, the light transmittance of the lampshade 10 can reach more than 90%.

Preferably, the heat dissipation casing 181 is an aluminum casing, which effectively enhances the heat dissipation effect.

The present invention has been described above in conjunction with the best embodiments, but the present invention is not limited to the above-disclosed embodiments, but should cover various modifications and equivalent combinations made according to the essence of the present invention.

Claims (9)

1. An LED fluorescent lamp, comprising a lampshade, an LED light source assembly, an LED drive assembly, two end caps and a heat dissipation shell, the lampshade is connected to the heat dissipation shell, and the two end caps are fastened to the lampshade and the heat dissipation shell respectively. The two ends after the heat dissipation shell is connected, the LED light source assembly is connected with the LED drive assembly, and the feature is that: the cross-sections of the lampshade and the heat dissipation shell are arc-shaped, and the lampshade and the heat dissipation shell A cavity is formed, and the LED light source assembly and the LED driving assembly are located in the cavity. 2. The LED fluorescent lamp according to claim 1, characterized in that: the cross-sections of the lampshade and the heat dissipation shell are both semicircular. 3. The LED fluorescent lamp according to claim 2, characterized in that: the heat dissipation housing comprises a base plate and an arc plate, the base plate and the arc plate are integrally structured, and the LED light source assembly is installed on on the substrate. 4. The LED fluorescent lamp according to claim 3, characterized in that: a housing cavity is formed between the substrate and the arc-shaped plate, and the LED driving assembly is located in the housing cavity and drives the LED light source assembly Work. 5. The LED fluorescent lamp according to any one of claims 1-4, characterized in that: the LED light source assembly includes a circuit board and a plurality of LED chips, the circuit board is mounted on the substrate and connected to the The LED driving components are connected, and the plurality of LED chips are welded on the circuit board. 6. The LED fluorescent lamp according to claim 5, wherein the circuit board is a flexible circuit board. 7. The LED fluorescent lamp according to claim 5, characterized in that: each of the end caps is provided with two pins. 8. The LED fluorescent lamp according to claim 5, wherein the lampshade is made of polycarbonate material. 9. The LED fluorescent lamp according to claim 5, characterized in that: the heat dissipation shell is an aluminum shell.

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