CN201748239U - LED fluorescent tube - Google Patents

Abstract

The utility model relates to semiconductor lighting technology, and in particular to an LED fluorescent tube. It includes a light-transmitting cover and an aluminum profile connected as one body, and also includes an LED lamp board arranged between the light-transmitting cover and the aluminum profile; the combination of the light-transmitting cover and the aluminum profile has a cylindrical shape, and end caps are arranged at both ends of the cylinder. The utility model provides an LED fluorescent tube with an easily expandable lamp board area and good heat dissipation.

Description

LED fluorescent tube

technical field

The utility model relates to semiconductor lighting technology, in particular to an LED fluorescent tube.

Background technique

Semiconductor lighting technology, with its energy-saving advantages, has been widely used in the field of production and life.

For example, the Chinese patent document CN101182918A discloses a LED fluorescent lamp on May 21, 2008. The LED fluorescent lamp includes a cylindrical tube body, and an LED light-emitting module is respectively arranged at two ends of the tube body; each LED light-emitting module includes an end cover, and the end cap The cover has a hole, and the end of the pipe body is inserted into the hole of the end cap; the inner wall of the hole of the end cap is provided with a protrusion, and the outer wall of the pipe body is provided with a recess corresponding to the protrusion, and the protrusion of the end cap and the recess of the pipe body The position constitutes the fastening between the end cover and the tube body; the LED light-emitting module also includes an LED luminous body, an aluminum substrate, a heat dissipation block, a heat dissipation ring, and an LED drive circuit. The firmware is connected to the heat dissipation block, the heat dissipation ring is sleeved outside the heat dissipation block, and the heat dissipation ring is connected with the heat dissipation block in an interference fit manner; the invention provides a detachable fastening method between the LED light-emitting module and the tube body Connected LED fluorescent lamps to reduce waste of resources and protect the environment.

The aforementioned patented technology is generally in line with people's usage habits for fluorescent lamps. However, the LED light-emitting module is arranged at the two ends of the lamp tube. The area of the lamp panel is limited, the amount of light output is limited, and it is not easy to expand, so the length of the lamp tube is also limited. . On the other hand, due to the small area of the lamp board, the problem of heat dissipation is prominent, and the requirements for manufacturing precision are extremely high, so it is not suitable for general use occasions.

Utility model content

The purpose of the utility model is to overcome the disadvantages of the above-mentioned prior art and provide an LED fluorescent tube with easy-to-expand lamp panel area and good heat dissipation.

The purpose of this utility model can be realized through the following technical solutions:

An LED fluorescent tube, characterized in that: it includes a light-transmitting cover and an aluminum profile connected as one, and also includes an LED lamp board arranged between the light-transmitting cover and the aluminum profile; the combination of the light-transmitting cover and the aluminum profile has a cylindrical shape Shape, the two ends of the cylinder are provided with end caps.

The LED fluorescent tube is characterized in that: there are hooks on both sides of the light-transmitting cover, grooves on both sides of the aluminum profile, and the hooks of the light-transmitting cover are inserted into the grooves of the aluminum profile to form a gap between the light-transmitting cover and the aluminum profile. connect.

The LED fluorescent tube is characterized in that: the surface of the transparent cover has a frosted layer.

The LED fluorescent tube is characterized in that: the frosted layer is arranged on the inner side of the transparent cover.

The LED fluorescent tube is characterized in that: the aluminum profile is in the shape of a hollow semi-cylindrical, the outer surface of the arc of the semi-cylindrical has heat-dissipating protrusions, and the LED lamp board is pasted on the plane of the semi-cylindrical.

The LED fluorescent tube is characterized in that: the transparent cover is arc-shaped, and the inner surface of the arc has two ribs, and the tops of the ribs are arranged against the edges of both sides of the LED lamp board.

The LED fluorescent tube is characterized in that: the heat dissipation protrusion includes horizontal heat dissipation fins located on both sides of the arc surface, and the end cover has an insert plate inserted in the gap between the horizontal heat dissipation fins.

The LED fluorescent tube is characterized in that the end cover is connected with the aluminum profile in the way of interference fit connection or glue sealing.

The LED fluorescent tube is characterized in that: there are hooks on both sides of the light-transmitting cover, grooves on both sides of the aluminum profile, and the hooks of the light-transmitting cover are inserted into the grooves of the aluminum profile to form a gap between the light-transmitting cover and the aluminum profile. connection; the surface of the light-transmitting cover has a frosted layer; the frosted layer is arranged on the inside of the light-transmitting cover; the aluminum profile is a hollow semi-cylindrical shape, and the outer surface of the semi-cylindrical arc has heat-dissipating protrusions, and the semi-cylindrical The LED lamp board is pasted on the plane of the LED lamp board; the light-transmitting cover is arc-shaped, and the inner surface of the arc has two ribs, and the tops of the rib boards are set against the edges of both sides of the LED lamp board; the heat dissipation protrusions include arc-shaped The horizontal heat dissipation fins on both sides of the surface, the end cover has an insert plate, and the insert plate is inserted in the gap between the horizontal heat dissipation fins.

The LED fluorescent lamp tube of the utility model includes a light-transmitting cover and an aluminum profile connected as one, and an LED lamp board is arranged between the light-transmitting cover and the aluminum profile; two ends are provided with end caps. Compared with the existing technology, the LED light board can extend to the length direction of the LED fluorescent tube with the expansion of the light-transmitting cover and the aluminum profile, and, compared with the existing technology, the LED illuminants are relatively scattered, and the heat accumulation in the unit area is also small. The aluminum profile on the back of the lamp provides sufficient heat dissipation space, and the heat dissipation effect is better than the existing technology.

Description of drawings

Fig. 1 is a schematic cross-sectional view of the first embodiment of the utility model.

Fig. 2 is an exploded cross-sectional schematic view of the first embodiment of the present utility model.

Fig. 3 is an exploded schematic view of the first embodiment of the utility model.

Fig. 4 is a schematic diagram of the first embodiment of the utility model.

Fig. 5 is a partially enlarged schematic diagram of A in Fig. 3 .

FIG. 6 is a partially enlarged schematic diagram of part B in FIG. 4 .

Detailed ways

The utility model will be described in further detail below in conjunction with the accompanying drawings. Referring to Fig. 1 to Fig. 6, the first embodiment of the present utility model is an LED fluorescent tube, which includes a transparent cover 101 and an aluminum profile 102 connected as one, and also includes a transparent cover 101 and an aluminum profile 102 arranged between The LED lamp board 103 in between; the combination of the transparent cover 101 and the aluminum profile 102 has a cylindrical shape, and the two ends of the cylinder are provided with end caps 108 .

There are hooks 104 on both sides of the light-transmitting cover 101, and grooves 105 on both sides of the aluminum profile 102. connection between. The surface of the transparent cover 101 has a frosted layer. The frosted layer is arranged on the inner side of the transparent cover (the frosted layer is not shown in the figure).

The aluminum profile 102 is in the shape of a hollow semi-cylindrical, with heat dissipation protrusions 110 on the outer surface of the arc of the semi-cylindrical, and the LED light board 103 is pasted on the plane of the semi-cylindrical.

Referring again to FIG. 1 and FIG. 5 , the translucent cover 101 is arc-shaped, and the inner surface of the arc has two ribs 106 , and the tops of the ribs 106 abut against the two side edges of the LED light board 103 .

Referring again to FIG. 5 , the heat dissipation protrusion 110 includes horizontal heat dissipation fins 107 located on two sides of the arc surface, and the end cover 108 has an insert plate 109 inserted into the gap between the horizontal heat dissipation fins 107 .

In this embodiment, the end cap 108 is connected to the aluminum profile 102 by an interference fit. Of course, as a modification of this embodiment, the end cover 108 and the aluminum profile 102 may also be connected by sealing glue.

Claims (9)

1. A kind of LED fluorescent tube, it is characterized in that: comprise the translucent cover and aluminum profile that are connected as a whole, also comprise the LED lamp board that is arranged between translucent cover and aluminum profile; The combination of translucent cover and aluminum profile has It has a cylindrical shape, and the two ends of the cylinder are provided with end caps. 2. The LED fluorescent tube according to claim 1, characterized in that: the two sides of the light-transmitting cover have hooks respectively, the two sides of the aluminum profile have grooves respectively, and the hooks of the light-transmitting cover snap into the grooves of the aluminum profile to form The connection between the light transmission cover and the aluminum profile. 3. The LED fluorescent tube according to claim 1, characterized in that: the surface of the transparent cover has a frosted layer. 4. The LED fluorescent tube according to claim 3, wherein the frosted layer is arranged on the inner side of the transparent cover. 5. The LED fluorescent tube according to claim 1, characterized in that: the aluminum profile is in the shape of a hollow semi-cylindrical, the outer surface of the arc of the semi-cylindrical has heat dissipation protrusions, and the LED is pasted on the plane of the semi-cylindrical Light board. 6. The LED fluorescent tube according to claim 5, characterized in that: the translucent cover is arc-shaped, and the inner surface of the arc has two ribs, and the tops of the ribs are set against the edges of both sides of the LED lamp board . 7. The LED fluorescent tube according to claim 5, wherein the heat dissipation protrusions include horizontal heat dissipation fins located on both sides of the arc surface, and the end cover has insert plates inserted into the gaps between the horizontal heat dissipation fins. 8 . The LED fluorescent tube according to claim 1 , wherein the end cap is connected to the aluminum profile by way of interference fit connection or glue sealing. 9. The LED fluorescent tube according to claim 1, characterized in that: the two sides of the light-transmitting cover have hooks respectively, the two sides of the aluminum profile have grooves respectively, and the hooks of the light-transmitting cover snap into the grooves of the aluminum profile to form The connection between the light-transmitting cover and the aluminum profile; the surface of the light-transmitting cover has a frosted layer; the frosted layer is arranged on the inside of the light-transmitting cover; the aluminum profile is a hollow semi-cylindrical shape, and the arc surface of the semi-cylindrical The outer surface has heat dissipation protrusions, and the LED light board is pasted on the semi-cylindrical plane; the light-transmitting cover is arc-shaped, and the arc-shaped inner surface has two ribs, and the top of the ribs is placed against the LED light board Edges on both sides; the heat dissipation protrusion includes horizontal heat dissipation fins located on both sides of the arc surface, and the end cover has an insert plate inserted in the gap between the horizontal heat dissipation fins.

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