WO2018161665A1

WO2018161665A1 - Lampshade fixing structure for use with led lamps

Info

Publication number: WO2018161665A1
Application number: PCT/CN2017/115174
Authority: WO
Inventors: 陈志峰; 陈婷; 陈超; 江波
Original assignee: 梅州江南电器有限公司
Priority date: 2017-03-07
Filing date: 2017-12-08
Publication date: 2018-09-13
Also published as: CN106838834B; EP3517838B1; EP3517838A1; CN106838834A; EP3517838A4

Abstract

A lampshade fixing structure for use with light-emitting diode (LED) lamps, comprising: an aluminum substrate (1), wherein LED light beads (2) are distributed on a side of the aluminum substrate (1), and a lampshade (3) is provided on the aluminum substrate (1) which is located on the periphery of the LED light beads (2); a plurality of positioning bosses (1a) are circumferentially provided at an edge of the aluminum substrate (1), and L-shaped positioning notches (3a) which correspond one-to-one to the positioning bosses (1a) are provided on the lampshade (3), a positioning boss (1a) being located within a positioning notch (3a); a limiting seat (4) is provided at an opening of the positioning notch (3a), and the positioning seat (4) is fixedly connected to the aluminum substrate (1); provided is a lampshade fixing structure for use with LED lamps which has a compact structure, is convenient to use, and is effective.

Description

Lamp cover fixing structure for LED lamps

Technical field

The invention relates to a lamp connecting structure, and more particularly to a lamp cover fixing structure for an LED lamp.

Background technique

LED lamps are increasingly favored by consumers due to their low energy consumption, long service life and high brightness. The existing LED lamps mainly include spotlights, ceiling lamps, lamps and bulbs. The structure is basically the existing conventional structure and lacks novelty. Taking a bulb lamp as an example, the existing structure of the ball lamp lamp basically comprises an aluminum alloy heat sink, a driver disposed in the aluminum alloy heat sink body, a light source module disposed on the end face of the aluminum alloy heat sink body, and disposed outside the light source module and A lampshade with an aluminum alloy heat sink threaded connection. This structure has the following disadvantages: First, the driver is located in the heat dissipation body of the aluminum alloy, and the heat dissipation effect is poor. The aluminum alloy heat sink is used for heat dissipation, and the temperature itself is high, so that the driver is more likely to malfunction; second, the lamp is made of aluminum. The heat dissipation of the alloy heat sink not only has high cost, but also the heat dissipation effect is not necessarily good; the third is that the driver is welded and installed, and the disassembly and assembly is inconvenient.

Summary of the invention

The object of the present invention is to provide a lampshade fixing structure for an LED lamp which is compact in structure, convenient in use, and effective in effect in view of the above-mentioned deficiencies of the prior art.

The technical solution of the present invention is realized as follows: a lamp cover fixing structure for an LED lamp, comprising an aluminum substrate, wherein LED lamp beads are distributed on one side of the aluminum substrate, wherein the aluminum substrate on the periphery of the LED lamp bead is provided There is a lamp cover, and a plurality of positioning bosses are arranged on the edge of the aluminum substrate in the circumferential direction, and an L-shaped positioning notch corresponding to the positioning bosses is arranged on the lamp cover, the positioning bosses are located in the positioning notches, and the positioning holes are provided with restrictions The seat is fixedly connected to the aluminum substrate.

In the above-mentioned lamp cover fixing structure for LED lamps, a positioning ring is integrally formed on the open end surface of the lamp cover, and the inner diameter of the positioning ring is adapted to the outer diameter of the aluminum substrate, the inner diameter of the positioning ring is larger than the inner diameter of the lamp cover, the positioning ring and the lamp cover The end surface of the open end cooperates to form a step for positioning the aluminum substrate, and the positioning notch is located on the positioning ring, and the plane of the step is on the same plane as the lower end surface of the positioning notch.

In the lamp cover fixing structure for an LED lamp, the positioning notch is composed of a lateral positioning portion and a vertical limiting portion that are mutually conductive, and the lateral positioning portion and the vertical limiting portion are L-shaped; the positioning boss The width is adapted to the vertical limiting portion; when the positioning boss is located in the lateral limiting portion, the free end of the limiting seat is located in the vertical limiting portion.

In the above-mentioned lamp cover fixing structure for LED lamps, the bottom of the limit seat is located at the bottom of one end of the vertical limiting portion, and the height of the raised block is higher than the height of the lateral positioning portion by 0.05~. 2 mm, the width of the raised block is adapted to the width of the vertical limit.

In the above-mentioned lamp cover fixing structure for LED lamps, a driving power supply box is arranged on the other side of the aluminum substrate, and a driver is arranged in the driving power supply box; and a plurality of aluminum are arranged in the circumferential direction at the lower edge of the driving power supply box. The connecting legs contacting the substrate, the connecting leg is provided with a first connecting hole, and the second connecting hole corresponding to the first connecting hole is provided on the aluminum substrate, and the first and second connecting holes are connected by screws.

In the above-mentioned lamp cover fixing structure for LED lamps, the limiting seat is disposed on the connecting leg and the limiting seat and the connecting leg are integrally formed.

In the above-mentioned lamp cover fixing structure for LED lamps, a power plug socket is disposed on a surface of the aluminum substrate opposite to the driving power source box, and the power plug socket is connected to each LED lamp bead circuit through an aluminum substrate; the driving power source The bottom of the box is provided with a positioning through hole, and a power plug connector adapted to the power plug socket is formed on the circuit board of the driver, and the power plug connector is inserted through the positioning through hole and the power plug socket.

In the above-mentioned lamp cover fixing structure for LED lamps, the lower part of the driving power supply box is in the shape of an inverted truncated cone, and a protective ring is integrally formed on the bottom of the driving power supply box at the periphery of the positioning through hole, and the protective ring is wrapped around the periphery of the power socket. The guard ring is in contact with the surface of the aluminum substrate.

In the above-mentioned lamp cover fixing structure for LED lamps, the driving power supply box is composed of a left box body and a right box body which are matched with each other; and a positioning card holder for fixing the driver circuit board is respectively disposed in the left and right box bodies.

In the above-mentioned lamp cover fixing structure for an LED lamp, a screw cap is connected to the free end of the driving power supply box, and the screw cap is connected to the driver circuit.

In the above-mentioned lamp cover fixing structure for LED lamps, a mounting through hole is formed in a middle portion of the aluminum substrate, and a driving power supply box is bored in the mounting through hole, and the driving power supply box and the aluminum substrate are fixedly connected by screws; The box is composed of a cap assembly and a drive sleeve which are coupled to each other; the cap assembly is composed of an externally threaded metal conductive head and an insulating mount connected to each other; the cap assembly and the drive sleeve cooperate to form a hollow drive mounting cavity, and the drive is vertical The direction of the aluminum substrate 1 is disposed in the driving installation cavity; each LED lamp bead is distributed on the aluminum substrate on the periphery of the mounting through hole, and a wire hole is arranged on the driving power supply box, and the DC lead of the driver passes through the wire hole and each LED lamp The beads are connected by a conductive connector.

After adopting the above structure, the invention can skillfully realize the fixing between the lamp cover and the aluminum substrate through the two-two cooperation between the aluminum substrate, the lamp cover and the limiting seat, and can prevent the aluminum substrate from rotating relative to the lamp cover; further, by setting the steps The connection between the lampshade and the aluminum substrate is made more stable.

DRAWINGS

The invention will be further described in detail below with reference to the embodiments of the accompanying drawings, but without limiting the invention.

1 is a schematic structural view of Embodiment 1 of the present invention;

Figure 2 is a schematic exploded view of Embodiment 1 of the present invention;

Figure 3 is a partial enlarged view of the portion A in Figure 2;

Figure 4 is a schematic exploded view of Embodiment 2 of the present invention;

Fig. 5 is a schematic view showing the assembly structure of an aluminum substrate and a driving power supply box in Embodiment 2 of the present invention.

In the drawing: aluminum substrate 1, positioning boss 1a, second connecting hole 1b, mounting through hole 1c, LED lamp bead 2, lamp cover 3, positioning notch 3a, lateral positioning portion 3b, vertical limiting portion 3c, limiting seat 4. The lifting block 4a, the positioning ring 5, the driving power box 6, the connecting leg 6a, the first connecting hole 6b, the guard ring 6c, the left box body 6d, the right box body 6e, the positioning card seat 6f, the line hole 6g The driver 7, the power supply connector 7a, the power socket 8, the screw base 9, the base assembly 10, the externally threaded metal conductive head 10a, the insulating mount 10b, and the drive sleeve 11.

detailed description

Example 1

Referring to FIG. 1 to FIG. 3, a lampshade fixing structure for an LED lamp of the present invention comprises an aluminum substrate 1 on which an LED lamp bead 2 is distributed on one side of the aluminum substrate 1, and the periphery of the LED lamp bead 2 The aluminum substrate 1 is provided with a cylindrical lampshade 3, and according to actual needs, a refractive floating point having a quadrangular pyramid shape may be disposed in the lampshade 3, and the bottom side of each of the quadrangular pyramids has a length of 0.5 to 5 mm and a height of 0.4 to 4.3 mm. In this way, the concentrated light in the middle of the lamp can be dispersed to the periphery, so that the overall illumination of the lamp is more uniform and the illumination angle is wider. A plurality of positioning bosses 1a are disposed on the edge of the aluminum substrate 1 in the circumferential direction. The lamp cover 3 is provided with an L-shaped positioning notch 3a corresponding to the positioning boss 1a. The positioning boss 1a is located in the positioning notch 3a, and the positioning notch 3a is located. A limiting seat 4 is arranged at the opening, and the limiting seat 4 is fixedly connected to the aluminum substrate 1.

The positioning notch 3a is composed of a lateral positioning portion 3b and a vertical limiting portion 3c which are mutually conductive, and the lateral positioning portion 3b and the vertical limiting portion 3c are cooperatively formed in an L shape; the width of the positioning boss 1a and the vertical limiting portion 3c Suitably; when the positioning boss 1a is located in the lateral limiting portion 4, the free end of the limiting seat 4 is located in the vertical limiting portion 3c. Preferably, a raised pad 4a is provided at the bottom of one end of the limiting seat 4 in the vertical limiting portion 3c, and the height of the raised pad 4a is 0.05 to 2 mm higher than the height of the lateral positioning portion 3b. The width of the raising block 4a is adapted to the width of the vertical limiting portion 3c. By providing the raised spacer, the aluminum substrate 1 having a thickness smaller than the lateral positioning portion can be loosened relative to the lamp cover after installation, and the lamp cover and the aluminum substrate can be connected compactly and stably.

Specifically, for convenient installation, a positioning ring 5 is integrally formed on the open end surface of the lamp cover 3, and the inner diameter of the positioning ring 5 is adapted to the outer diameter of the aluminum substrate 1, and the inner diameter of the positioning ring 5 is larger than the inner diameter of the lamp cover 3, and the positioning ring 5 is The end surface of the open end of the lamp cover 3 is matched to form a step for positioning the aluminum substrate 1. The positioning notch 3a is located on the positioning ring 5, and the plane of the step is on the same plane as the lower end surface of the positioning notch.

Further, in this embodiment, a driving power supply box 6 is disposed on the other side surface of the aluminum substrate 1, a driver 7 is disposed in the driving power supply box, and a plurality of aluminum are provided in the circumferential direction at the lower edge of the driving power supply box 6. The connecting leg 6a is in contact with the substrate 1, the connecting leg 6a is provided with a first connecting hole 6b, and the aluminum substrate 1 is provided with a second connecting hole 1b corresponding to the first connecting hole 6b, the first connecting hole and the second connecting

hole

6b, 1b are connected by screws. At the same time, the limiting seat 4 is disposed on the connecting leg 6b and the limiting seat 4 and the connecting leg 6b are integrally formed.

In order to realize quick replacement of the driving power source and improve the overall utilization efficiency of the lamp, a power plug socket 8 is disposed on the surface of the aluminum substrate 1 opposite to the driving power source box 6, and the power plug socket 8 passes through the aluminum substrate 1 and each LED lamp. The bead 2 circuit is connected; the driving power supply box 6 is provided with a positioning through hole at the bottom thereof, and a power supply plug connector 7a adapted to the power plug socket 8 is formed on the circuit board of the driver 7, and the power plug connector 7a passes through the positioning through hole. It is plugged into the power socket 8. With this structure, when the drive fails, the new drive can be quickly removed and replaced, so that the luminaire can be reused.

In order to ensure the heat dissipation efficiency of the aluminum substrate, the lower portion of the driving power supply box 6 is preferably designed as an inverted truncated cone shape, and a protective ring 6c is integrally formed at the bottom of the driving power supply box 6 at the periphery of the positioning through hole, and the protective ring 6c is wrapped around the periphery of the power socket 8 The guard ring 6c is in contact with the surface of the aluminum substrate 1. The protective ring prevents the water in the driving power box from entering the dust, and at the same time, the aluminum substrate is spaced apart from the driving power box to improve the air circulation efficiency and ensure the heat dissipation efficiency of the lamp.

For the convenience of assembly, the driving power supply box 6 in this embodiment is composed of a left box body 6d and a right box body 6e which are matched with each other; and a positioning card holder 6f for fixing the driver circuit board is respectively disposed in the left and

right box bodies

6d, 6e. . At the same time, a screw base 9 is connected to the free end of the drive power box 6, and the screw base 9 is electrically connected to the driver 7.

Example 2

Referring to FIG. 4 and FIG. 5, a lampshade fixing structure for an LED lamp according to the present invention adopts the same lampshade fixing method as that of Embodiment 1, except that a through hole 1c is provided in the middle of the aluminum substrate 1, A driving power supply box 6 is disposed in the mounting through hole 1c, and the driving power supply box 6 is fixedly connected to the aluminum substrate 1 by screws; the driving power supply box 6 is composed of a base assembly 10 and a driving sleeve 11 which are coupled to each other; The lamp cap assembly 10 is composed of an externally threaded metal conductive head 10a and an insulating mount 10b; the cap assembly 10 cooperates with the drive sleeve 11 to form a hollow drive mounting cavity, and the driver is disposed in the drive mounting cavity along the direction of the vertical aluminum substrate 1. Each LED lamp bead 2 is distributed on the aluminum substrate 1 on the periphery of the mounting through hole 1c, and a wire hole 6g is arranged on the driving power supply box 6, and the driver DC electric wire is passed through the wire hole 6g and each LED lamp bead 2 is electrically inserted. Connector connection. At the same time, the lampshade in this embodiment has a spherical shape. Of course, according to actual needs, the lampshade can also adopt various materials and shapes.

The above-mentioned embodiments are merely preferred embodiments of the present invention, and are merely intended to be illustrative of the present invention, and are not intended to limit the scope of the present invention. The equivalent embodiments of the local modifications or modifications made by the technical content of the present invention within the scope of the technical features, and without departing from the technical features of the present invention, are still within the scope of the technical features of the present invention.

Claims

A lampshade fixing structure for an LED lamp, comprising an aluminum substrate (1), wherein an LED lamp bead (2) is distributed on one side of the aluminum substrate (1), wherein the LED lamp bead (2) is peripheral The aluminum substrate (1) is provided with a lamp cover (3), and a plurality of positioning bosses (1a) are arranged on the edge of the aluminum substrate (1) in the circumferential direction, and the lamp cover (3) is provided with a one-to-one correspondence with the positioning bosses (1a). The L-shaped positioning notch (3a), the positioning boss (1a) is located in the positioning notch (3a), and a limiting seat (4) is provided at the opening of the positioning notch (3a), the limiting seat (4) and the aluminum The substrate (1) is fixedly connected.
The lampshade fixing structure for an LED lamp according to claim 1, wherein a positioning ring (5), an inner diameter of the positioning ring (5) and an aluminum substrate are integrally formed on the open end surface of the lamp cover (3). 1) The outer diameter of the positioning ring (5) is larger than the inner diameter of the lamp cover (3), and the positioning ring (5) and the open end surface of the lamp cover (3) cooperate to form a step of positioning the aluminum substrate (1), the positioning gap (3a) is located on the positioning ring (5), and the plane of the step is on the same plane as the lower end surface of the positioning notch (3a).
A lampshade fixing structure for an LED lamp according to claim 1, wherein the positioning notch (3a) is composed of a lateral positioning portion (3b) and a vertical limiting portion (3c) which are electrically connected to each other, and a lateral direction The positioning portion (3b) and the vertical limiting portion (3c) cooperate in an L shape; the width of the positioning boss (1a) is adapted to the vertical limiting portion (3c); when the positioning boss (1a) is in the lateral limit In the part (4), the free end of the limit seat (4) is located in the vertical limit portion (3c).
The lampshade fixing structure for an LED lamp according to claim 1, wherein the other side of the aluminum substrate (1) is provided with a driving power supply box (6) in the driving power supply box (6) a drive (7) is provided; a plurality of connecting legs (6a) contacting the aluminum substrate (1) are circumferentially disposed at a lower edge of the driving power supply box (6), and a first connecting hole (6b) is disposed on the connecting leg (6a) A second connection hole (1b) corresponding to the first connection hole (6b) is provided on the aluminum substrate (1), and the first and second connection holes (6b, 1b) are connected by screws.
The lampshade fixing structure for an LED lamp according to claim 3 or 4, wherein the limiting seat (4) is located at a bottom end of the vertical limiting portion (3c) and is provided with a lifting block ( 4a), the height of the raised spacer (4a) is 0.05 to 2 mm higher than the height of the lateral positioning portion (3b), the width of the raised spacer (4a) and the width of the vertical limiting portion (3c) Adapted.
The lampshade fixing structure for an LED lamp according to claim 4, wherein the limiting seat (4) is disposed on the connecting leg (6b) and the limiting seat (4) and the connecting leg (6b) are The one-piece overall structure.
A lampshade fixing structure for an LED lamp according to claim 4, wherein a power socket (8) is provided on a surface of the aluminum substrate (1) opposite to the driving power source box (6), and the power plug is inserted The socket (8) is connected to each LED lamp bead (2) through an aluminum substrate (1); the bottom of the driving power supply box (6) is provided with a positioning through hole, and a power supply is formed on the circuit board of the driver (7). The socket (8) is adapted to the power plug connector (7a), and the power plug connector (7a) is inserted through the positioning through hole and the power socket (8).
The lampshade fixing structure for an LED lamp according to claim 7, wherein the lower portion of the driving power supply box (6) is in the shape of an inverted truncated cone, and is integrally formed at the bottom of the driving power supply box (6) at the periphery of the positioning through hole. There is a guard ring (6c), the guard ring (6c) is wrapped around the periphery of the power socket (8), and the guard ring (6c) is in contact with the surface of the aluminum substrate (1).
The lampshade fixing structure for an LED lamp according to claim 4, wherein the driving power supply box (6) is composed of a left box body (6d) and a right box body (6e) that cooperate with each other; A positioning card holder (6f) for fixing the driver circuit board is respectively disposed in the right box body (6d, 6e); a screw base (9) is connected to the free end end of the driving power supply box (6), and the screw base (9) ) Connected to the driver (7) circuit.
The lampshade fixing structure for an LED lamp according to claim 1, wherein a central portion of the aluminum substrate (1) is provided with a mounting through hole (1c), and a driving power source is disposed in the mounting through hole (1c). a box (6), the driving power box (6) and the aluminum substrate (1) are fixedly connected by screws; the driving power box (6) is composed of a base assembly (10) and a driving sleeve (11) which are coupled to each other; The lamp cap assembly (10) is composed of an externally threaded metal conductive head (10a) and an insulating mount (10b); the lamp cap assembly (10) cooperates with the drive sleeve (11) to form a hollow drive mounting cavity, and the drive is vertical The direction of the aluminum substrate (1) is set in the driving installation cavity; each LED lamp bead (2) is distributed on the aluminum substrate (1) on the periphery of the mounting through hole (1c), and the wiring is provided on the driving power supply box (6). Hole (6g), the driver DC lead is connected through the wire hole (6g) and each LED lamp bead (2) through the conductive connector.