CN201425175Y - LED fluorescent lamp device - Google Patents

Abstract

The utility model discloses a LED fluorescent lamp device, relating to the technical field of fluorescent lamps; the utility model comprises an LED string and an end cover, wherein the LED string is electrically connected with a conductive terminal of the end cover, and further comprises a solid light guide rod made of polymethyl methacrylate material, the solid light guide rod is provided with a containing groove, and the LED string is arranged in the containing groove; the utility model discloses use the solid leaded light stick of polymethyl methacrylate material manufacturing as the fluorescent tube, the light through the outside transmission of solid leaded light stick can not form the facula, and the light-emitting degree of consistency is good, and illumination luminance is high.

Description

LED fluorescent light device

technical field

The utility model relates to the technical field of fluorescent lamps, in particular to an LED fluorescent lamp device.

Background technique

The existing LED fluorescent lamp device comprises LED (light-emitting diode) strings, end caps and hollow light-transmitting bodies made of glass materials. Among them, the LED string emits light, which is emitted outward through the hollow light-transmitting body. In the prior art, a hollow light-transmitting body made of glass material is used as a lamp tube. Since light is refracted when passing through the hollow light-transmitting body, light emitted through the hollow light-transmitting body tends to form multiple light spots. , the light uniformity is not good, and the light brightness is low.

Utility model content

The utility model provides an LED fluorescent lamp device with good light uniformity and high light brightness.

The LED fluorescent lamp device includes LED strings and end caps. The LED strings are electrically connected to the conductive terminals of the end caps. It is characterized in that it further includes a solid light guide rod made of polymethyl methacrylate material. The LED string is arranged in the accommodating groove.

Wherein, it further includes a heat dissipation aluminum tube, one end of the heat dissipation aluminum tube is connected with the end cover, and the other end is connected with the solid light guide rod.

Wherein, the heat-dissipating aluminum tube includes a front-end aluminum tube and a rear-end aluminum tube that are nested with each other, the front-end aluminum tube is connected to the end cover, and the rear-end aluminum tube is connected to the solid light guide rod.

Wherein, a variable voltage power supply is further included, and the variable voltage power supply is placed in the inner cavity of the heat dissipation aluminum tube.

Wherein, the number of LED strings is two, the number of accommodating slots is two, and each accommodating slot is provided with an LED string.

Wherein, the heat-dissipating aluminum tube is provided with internal threads, and the two ends of the solid light guide rod are provided with external threads, and the heat-dissipating aluminum tube is threadedly connected with the solid light guide rod.

Wherein, the heat dissipation aluminum tube is provided with external threads, the end cover is provided with internal threads, and the heat dissipation aluminum tube is threadedly connected with the end cover.

Wherein, it further includes a reflective sheet, and the reflective sheet is arranged on the solid light guide rod.

It can be seen from the above technical solutions that the utility model includes LED strings and end caps, the LED strings are electrically connected to the conductive terminals of the end caps, and further includes a solid light guide rod made of polymethyl methacrylate material, a solid light guide rod The rod is provided with a storage slot, and the LED string is set in the storage slot; the utility model uses a solid light guide rod made of polymethyl methacrylate material as a lamp tube, and the light emitted outward through the solid light guide rod will not form Light spot, good light uniformity, high light brightness.

Description of drawings

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

Fig. 2 is the sectional view of Fig. 1;

Fig. 3 is the exploded schematic view of the utility model;

FIG. 4 is an enlarged schematic view of point A in FIG. 3 .

Detailed ways

Referring to Fig. 1 to Fig. 4, the utility model will be described in detail below in conjunction with the accompanying drawings.

LED fluorescent lamp device, comprises LED string 16 and end cover 10, and LED string 16 is electrically connected with the conductive terminal of end cover 10, is characterized in that, further comprises the solid light guide rod 14 that uses polymethyl methacrylate material to make, and solid guide The light rod 14 is provided with an accommodating groove 18 , and the LED string 16 is disposed in the accommodating groove 18 .

The utility model uses a solid light guide rod 14 made of polymethyl methacrylate material as a lamp tube, and the LED string 16 emits light after being energized, and emits light through the solid light guide rod 14; 14 The light emitted outward will not form a spot, the uniformity of the light is good, and the brightness of the light is high.

In this embodiment, the number of LED strings 16 is two, and the number of accommodating grooves 18 is two, and these two accommodating grooves 18 are opened axially, and each accommodating groove 18 is provided with an LED string 16 . Of course, the number of LED strings 16 can also exceed two, and increasing the number of LED strings 16 can enhance the lighting effect.

In this embodiment, it further includes a heat dissipation aluminum tube 11 , one end of the heat dissipation aluminum tube 11 is connected to the end cover 10 , and the other end is connected to the solid light guide rod 14 . The heat dissipation aluminum tube 11 can quickly dissipate the heat generated when the utility model works into the surrounding air.

In this embodiment, the heat-dissipating aluminum tube 11 includes a front-end aluminum tube 12 and a rear-end aluminum tube 13 which are nested with each other. Dividing the heat dissipation aluminum tube 11 into a front aluminum tube 12 and a rear aluminum tube 13 facilitates disassembly and maintenance.

In this embodiment, a variable voltage power supply 15 is further included, and the variable voltage power supply 15 is placed in the inner cavity of the heat-dissipating aluminum tube 11; The heat dissipation aluminum tube 11 can quickly dissipate the heat generated by the variable voltage power supply 15 into the surrounding air. The variable voltage power supply 15 can convert the AC mains power into a DC power supply, or into other power supplies matching the LED string 16 .

In this embodiment, the heat dissipation aluminum tube 11 is provided with internal threads, and the two ends of the solid light guide rod 14 are provided with external threads, and the heat dissipation aluminum tube 11 is threadedly connected with the solid light guide rod 14; the heat dissipation aluminum tube 11 is provided with external threads, and the end cap 10 is provided with an internal thread, and the heat dissipation aluminum pipe 11 is threadedly connected with the end cover 10 . The threaded connection makes it easy to assemble and disassemble the end cap 10 , the heat dissipation aluminum tube 11 and the solid light guide rod 14 . Of course, other connection methods can also be used between the end cap 10 , the heat dissipation aluminum tube 11 and the solid light guide rod 14 .

In this embodiment, a reflective sheet 17 is further included, and the reflective sheet 17 is arranged on the solid light guide rod 14 . The reflective sheet 17 plays a role of concentrating light, which can reduce light loss and light diffuse reflection.

The above content is only a preferred embodiment of the present utility model. For those of ordinary skill in the art, according to the idea of the present utility model, there will be changes in the specific implementation and scope of application. The content of this specification should not be understood as Limitations on the Invention.

Claims (8)

1. LED fluorescent lamp device, comprises LED string (16) and end cap (10), and LED string (16) is electrically connected with the conductive terminal of end cap (10), is characterized in that, further comprises the use polymethyl methacrylate material The manufactured solid light guide rod (14) is provided with accommodating grooves (18), and the LED strings (16) are arranged in the accommodating grooves (18). 2. The LED fluorescent lamp device according to claim 1, further comprising a heat dissipation aluminum tube (11), one end of the heat dissipation aluminum tube (11) is connected to the end cover (10), and the other end is connected to the solid guide The light rod (14) is connected. 3. The LED fluorescent lamp device according to claim 2, characterized in that, the heat-dissipating aluminum tube (11) comprises a front-end aluminum tube (12) and a rear-end aluminum tube (13) which are nested with each other, and the front-end aluminum tube (12 ) is connected with the end cover (10), and the rear aluminum tube (13) is connected with the solid light guide rod (14). 4. The LED fluorescent lamp device according to claim 2, characterized in that it further comprises a variable voltage power supply (15), and the variable voltage power supply (15) is placed in the inner cavity of the heat dissipation aluminum tube (11). 5. The LED fluorescent lamp device according to claim 2, characterized in that, the heat dissipation aluminum tube (11) is provided with internal threads, both ends of the solid light guide rod (14) are provided with external threads, and the heat dissipation aluminum tube (11) It is threadedly connected with the solid light guide rod (14). 6. The LED fluorescent lamp device according to claim 2, characterized in that, the heat-dissipating aluminum tube (11) is provided with external threads, the end cap (10) is provided with internal threads, and the heat-dissipating aluminum tube (11) and the end cap ( 10) Threaded connection. 7. The LED fluorescent lamp device according to claim 1, characterized in that, the number of said LED strings (16) is two, the number of accommodating grooves (18) is two, and each accommodating groove (18) A LED string (16) is provided. 8. The LED fluorescent lamp device according to any one of claims 1 to 7, characterized in that it further comprises a reflective sheet (17), and the reflective sheet (17) is arranged on the solid light guide rod (14).

Images