CN216693097U

CN216693097U - Lamp tube with good heat dissipation performance

Info

Publication number: CN216693097U
Application number: CN202220178216.7U
Authority: CN
Inventors: 杨其利
Original assignee: Foshan Yichu Electronic Lighting Co ltd
Current assignee: Foshan Yichu Electronic Lighting Co ltd
Priority date: 2022-01-21
Filing date: 2022-01-21
Publication date: 2022-06-07
Anticipated expiration: 2032-01-21

Abstract

The utility model discloses a lamp tube with good heat dispersion, which comprises: the LED lamp comprises a lampshade, lamp caps assembled at two ends of the lampshade, a PCB assembled in the lampshade, LED lamp beads assembled on the PCB, and a power module installed in the lamp caps, wherein the lamp caps are provided with conductive terminals, the power module is electrically connected with the PCB, the PCB is tightly attached to the lampshade, and a heat dissipation block is arranged on the outer surface of the lampshade and close to the PCB; according to the lamp tube, the radiating block is arranged on the outer surface of the lamp shade and close to the PCB, so that heat on the PCB can be quickly conducted to the radiating block and radiated out, and the lamp tube has the advantage of good radiating performance.

Description

Lamp tube with good heat dissipation performance

Technical Field

The utility model relates to a lamp tube with good heat dissipation performance.

Background

When the diameter of the lamp tube is smaller, the heat of the PCB arranged in the glass lampshade is difficult to dissipate, and the service life of the lamp tube is reduced; in addition, the leads (the conductive terminals of the connection terminal and the lead of the power module) of the conventional lamp are usually soldered to the terminals and then soldered to the solder points of the power module.

The utility model is researched and proposed aiming at the defects of the prior art.

SUMMERY OF THE UTILITY MODEL

The technical problem of poor heat dissipation of the lamp tube in the prior art is solved.

The technical scheme adopted by the utility model for solving the technical problems is as follows: a lamp tube with good heat dissipation performance comprises: the LED lamp comprises a lampshade, lamp holders assembled at two ends of the lampshade, a PCB assembled in the lampshade, LED lamp beads assembled on the PCB and a power module installed in the lamp holders, wherein the lamp holders are provided with conductive terminals, the power module is electrically connected with the PCB, the PCB is tightly attached to the lampshade, and a heat dissipation block is arranged on the outer surface of the lampshade and close to the PCB.

According to the lamp tube with good heat dissipation performance, the surface of the heat dissipation block is provided with the groove for increasing the surface area of the heat dissipation block.

According to the lamp tube with good heat dissipation performance, the heat dissipation block is adhered to the outer surface of the lamp shade through the heat conduction adhesive.

The lamp tube with good heat dissipation performance is characterized in that the lamp shade is tubular with two open ends, and the cross section of the heat dissipation block is arc-shaped.

According to the lamp tube with good heat dissipation performance, the length of the heat dissipation block is equal to that of the PCB.

According to the lamp tube with good heat dissipation performance, the lead used for conducting the power module and the conductive terminal is arranged between the power module and the conductive terminal, and the conductive terminal is internally provided with the through hole for the lead to pass through.

In the lamp tube with good heat dissipation performance, the front end of the conductive terminal is provided with the tapered guide part.

According to the lamp tube with good heat dissipation performance, the waterproof sealing ring is arranged between the lamp cap and the lamp shade.

According to the lamp tube with good heat dissipation performance, the lamp holder is internally provided with the two positioning grooves, and the PCB is positioned between the two positioning grooves.

The lamp tube with good heat dissipation performance is characterized in that the lampshade is made of glass, and the heat dissipation block is made of aluminum.

The utility model has the beneficial effects that:

1. according to the lamp tube, the radiating block is arranged on the outer surface of the lamp shade and close to the PCB, so that heat on the PCB can be quickly conducted to the radiating block and radiated out, and the lamp tube has the advantage of good radiating performance.

2. The through hole for the lead to pass through is formed in the conductive terminal, one end of the lead is welded on the power module after passing through the through hole during assembly, then the lead is cut off after being pulled straight, and finally the conductive terminal is deformed by a tool, so that the other end of the lead is clamped in the through hole in the end part of the conductive terminal to complete assembly, the assembly efficiency is improved, and the material of the lead is saved.

The utility model will be further described with reference to the drawings and the following detailed description.

Drawings

FIG. 1 is a schematic structural diagram of a lamp tube according to the present invention;

FIG. 2 is an exploded view of the lamp according to the present invention;

FIG. 3 is a schematic perspective cross-sectional view of a lamp tube according to the present invention;

FIG. 4 is an enlarged view of portion A labeled in FIG. 3;

FIG. 5 is a second exploded view of the lamp according to the present invention;

FIG. 6 is a schematic full-sectional view of the lamp tube of the present invention.

Detailed Description

Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 6, a lamp tube with good heat dissipation performance of the present embodiment includes: lamp shade 1, the assembly lamp holder 2 at 1 both ends of lamp shade, the PCB board 3 of assembly in lamp shade 1, the LED lamp pearl 31 of assembly on PCB board 3 and the power module 4 of installing in lamp holder 2, lamp holder 2 on be equipped with conductive terminal 21, power module 4 be connected with conductive terminal 21 electricity, power module 4 be connected with PCB board 3 electricity, PCB board 3 hug closely lamp shade 1, the surface of lamp shade 1 and the position that is close to PCB board 3 are equipped with radiating block 5, radiating block 3 hug closely lamp shade 1. According to the lamp tube, the radiating block is arranged on the outer surface of the lamp shade and close to the PCB, so that heat on the PCB can be quickly conducted to the radiating block and radiated out, and the lamp tube has the advantage of good radiating performance.

In order to improve the heat radiation performance of the heat radiation block, a groove 51 for increasing the surface area thereof is provided on the surface of the heat radiation block 5.

In order not to influence the lighting effect, LED lamp pearl on the PCB board is located the radiating block dorsal part.

In this embodiment, the heat sink 5 is attached to the outer surface of the lamp housing 1 by the heat conductive adhesive, and the groove 51 can also improve the contact strength between the heat sink and the lamp housing, so that the heat sink 5 is more firmly fixed to the lamp housing.

In this embodiment, the lamp cover 1 is tubular with two open ends, and the cross section of the heat dissipation block 5 is arc-shaped.

In this embodiment, the length of the heat dissipation block 5 is equal to the length of the PCB 3.

In order to facilitate installation and improve installation efficiency, a lead 41 for conducting the power module 4 and the conductive terminal 21 is arranged between the power module 4 and the conductive terminal 21, and a through hole 211 for the lead 41 to pass through is arranged in the conductive terminal 21. During assembly, one end of the lead is firstly welded on the power module after penetrating through the through hole 211, then the lead is cut off after being pulled out, the conductive terminal is deformed by adopting a tool, and the other end of the lead is clamped in the through hole at the end part of the conductive terminal to complete assembly, so that the assembly efficiency can be improved, and the material of the lead can be saved.

In this embodiment, the front end of the conductive terminal 21 is provided with a tapered guide portion 212.

In order to improve the sealing performance between the lamp cap and the lampshade, a waterproof sealing ring 6 is arranged between the lamp cap 2 and the lampshade 1.

In this embodiment, two positioning slots 22 are provided in the lamp head 2, and the PCB 3 is positioned between the two positioning slots 22.

In this embodiment, the lamp cover 1 is made of glass, and the heat dissipation block 5 is made of aluminum.

The technical contents of the present invention are further illustrated by the examples only for the convenience of the reader, but the embodiments of the present invention are not limited thereto, and any technical extension or re-creation based on the present invention is protected by the present invention. The protection scope of the utility model is subject to the claims.

Claims

1. A lamp tube with good heat dissipation performance is characterized by comprising: lamp shade (1), lamp holder (2), the PCB board (3) of assembly in lamp shade (1), assembly on PCB board (3), LED lamp pearl (31) of assembly on PCB board (3) and power module (4) of installing in lamp holder (2) of lamp shade (1) both ends, lamp holder (2) on be equipped with conductive terminal (21), power module (4) be connected with conductive terminal (21) electricity, power module (4) be connected with PCB board (3) electricity, PCB board (3) hug closely lamp shade (1), the surface of lamp shade (1) and the position that is close to PCB board (3) are equipped with radiating block (5).

2. A lamp tube with good heat dissipation performance as recited in claim 1, wherein the surface of the heat dissipation block (5) is provided with grooves (51) for increasing the surface area thereof.

3. A lamp tube with good heat dissipation performance as recited in claim 2, wherein the heat dissipation block (5) is attached to the outer surface of the lamp cover (1) by a heat conductive adhesive.

4. A lamp tube with good heat dissipation performance as recited in claim 2, wherein said lamp cover (1) is tubular with two open ends, and the cross-section of said heat dissipation block (5) is arc-shaped.

5. A lamp tube with good heat dissipation performance as recited in claim 1, wherein the length of said heat slug (5) is equal to the length of said PCB (3).

6. A lamp tube with good heat dissipation performance according to any one of claims 1-5, wherein a lead (41) for conducting the power module (4) and the conductive terminal (21) is disposed between the power module (4) and the conductive terminal (21), and a through hole (211) for passing the lead (41) is disposed in the conductive terminal (21).

7. A lamp tube with good heat dissipation performance as recited in claim 6, wherein the front end of the conductive terminal (21) is provided with a tapered guiding portion (212).

8. A lamp tube with good heat dissipation performance as recited in claim 1, wherein a waterproof gasket (6) is disposed between the lamp cap (2) and the lamp cover (1).

9. A lamp tube with good heat dissipation performance as recited in claim 1, wherein two positioning slots (22) are formed in the lamp cap (2), and the PCB board (3) is positioned between the two positioning slots (22).

10. A lamp tube with good heat dissipation performance as recited in claim 1, wherein said lamp cover (1) is made of glass, and said heat dissipation block (5) is made of aluminum.