WO2015018169A1

WO2015018169A1 - Led lighting device

Info

Publication number: WO2015018169A1
Application number: PCT/CN2013/091023
Authority: WO
Inventors: 彭峰; 张涛
Original assignee: Peng Feng; Zhang Tao
Priority date: 2013-08-07
Filing date: 2013-12-31
Publication date: 2015-02-12
Also published as: CN203375248U

Abstract

An LED lighting device comprises a bottom plate (1), multiple LED modules (2) and conductive gaskets (4) and fastening pieces (5) fixing the LED modules (2) on the bottom plate (1) sequentially and making the LED modules (2) electrically connected. The LED module (2) is formed by fixing one or multiple LEDs on a substrate (8). The fastening piece (5) fastens the conductive gasket (4) on the substrate (8), and then enters into the bottom plate (1). The conductive gasket (4) makes the adjacent LED modules electrically connected with each other. The LED modules (2) are electrically connected when being fixed to the bottom plate in the LED lighting device, the LED lighting device is easy to operate, and the cost of the LED lighting device is reduced.

Description

LED lighting device

The utility model belongs to the technical field of lighting, in particular to an LED lighting device.

Currently, LED There are several connection methods between modules: connectors, insulated wires, jumpers and cables. Among them, the connector connection is safe and reliable, and the assembly is convenient, but the cost is high. Although the insulated wire connection is relatively safe, the processing is inconvenient, and a large amount of labor is required, which is not suitable for mass production. Because the jumper has no insulation, the connection is not safe enough. The cable is inconvenient to assemble, and the high cost also requires a large amount of manual welding.

An object of an embodiment of the present invention is to provide a plurality of LEDs The splicing device of the module has a connection structure of safety, reliability, simple structure and convenient assembly.

The embodiment of the present invention is implemented as an LED lighting device, including a bottom plate, a plurality of LED modules, and a plurality of LEDs a conductive pad and a fastener that are sequentially fixed to the bottom plate and electrically connected to the bottom plate, and the LED module is composed of one or more LEDs The fixing is formed on the substrate; the fastener fastens the conductive gasket to the substrate and enters the bottom plate, and the conductive gasket electrically connects the adjacent LED modules.

Embodiments of the present invention include a plurality of LEDs by fasteners and conductive pads The modules are sequentially fixed to the bottom plate and electrically connected to each other. The fasteners fasten the conductive pads to the substrate and enter the bottom plate. The conductive pads electrically connect adjacent LED modules, so that more LED When the modules are fixed to the bottom plate, they are electrically connected, which is easy to operate, and the structure of the fasteners and the conductive pads is extremely simple and easy to obtain, which greatly reduces the cost of the LED lighting device.

1 is a schematic structural view of an LED lighting device according to Embodiment 1 of the present invention;

Figure 2 is a cross-sectional view taken along line B-B of Figure 1;

3 is a schematic view showing the mounting holes formed by the adjacent LED modules in the first embodiment of the present invention;

4 is a schematic view of cutting a bulk substrate into a small substrate required for an embodiment of the present invention;

Figure 5 is a schematic view showing the mounting hole of the substrate at the end of its straight side;

Figure 6 is a schematic view showing a mounting hole of a substrate at a bend thereof;

7 is a schematic structural view of an LED lighting device provided by Embodiment 2 of the present invention;

Figure 8 is a cross-sectional view of Figure 5 A - A;

9 is a schematic structural view of an LED lighting device provided by Embodiment 3 of the present invention;

Figure 10 is a sectional view of Figure 7 A - A;

11 is a schematic structural view of an LED lighting device provided by Embodiment 4 of the present invention;

Figure 12 is a cross-sectional view taken along line C - C of Figure 11;

In order to make the objects, technical solutions and advantages of the present invention more comprehensible, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The implementation of the present invention will be described in detail below in conjunction with specific embodiments.

实施例一 Embodiment 1

As shown in FIGS. 1 and 2, the LED lighting device provided by the embodiment of the present invention includes a bottom plate 1 and a plurality of LED modules 2 And a conductive pad 4 and a fastener 5 for sequentially fixing the plurality of LED modules 2 to the bottom plate 1 and electrically connecting them, the LED module 2 consisting of one or more LEDs 6 It is fixed on the substrate 7 to form. The substrate 7 in the utility model It can be a single-sided aluminum substrate, a single-sided copper substrate, a single-sided fiberglass board or a single-sided paperboard, or a double-sided aluminum substrate, a double-sided copper substrate or a double-sided glass fiber board, or even an electronic circuit board such as a multi-sided aluminum substrate. . The substrate 7 in this embodiment Preferably, the single-sided aluminum substrate (i.e., the aluminum substrate having only the circuit on the front side) is provided, and a plurality of LEDs 6 are uniformly disposed on the front surface of the substrate 7 to make the illumination of the LED illumination device uniform. The fastener 5 passes through the conductive gasket 4 And the substrate 7 is screwed into the bottom plate 1, and the conductive pads 4 electrically connect the adjacent LED modules 2. This can fix a plurality of LED modules 2 to the bottom plate 1 When they are electrically connected, it is easy to operate, and the structure of the fastener 5 and the conductive gasket 4 is extremely simple and easy to obtain, which greatly reduces the cost of the LED lighting device.

In the embodiment of the present invention, the bottom plate 1 is an electric conductor, and the fastener 5 The metal screw or the metal buckle is provided with an insulating sleeve 8 electrically isolated from the conductive gasket 4 and the LED module 2, and the insulating sleeve 8 has a screw head at one end 50 Or an insulating ring 9 electrically insulated from the metal gasket and the conductive gasket 4, the conductive gasket 4 having a through hole through which the metal screw passes. The current transmitted between the LED modules 2 is not conducted to the bottom plate. 1, safe and reliable. The conductive spacer 4 may be an annular metal piece. The metal screw, the annular metal piece and the insulating sleeve 9 can be designed as standard parts to further reduce the cost.

Generally, the substrate 7 has a substantially '∠' shape, and a first notch 71 and a second notch 72 are provided at the straight end and the middle of the oblique side, as shown in the figure. 3 is shown. The first notch 71 and the second notch 72 of the adjacent LED modules abut together to form a mounting hole through which the fastener 5 passes, the first notch 71 and the second notch 72. Preferably, the semi-circular notch is a circular shape in which the mounting holes are assembled. After the adjacent LED module 2 is mounted on the bottom plate 1, the conductive pads 4 are pressed against the adjacent substrate 7 Make it electrically connected. In this way, the bulk substrate used as the raw material can be cut into a plurality of '∠' shaped substrates 7 with high material utilization, as shown in FIG.

As shown in Figs. 5 and 6, a circular mounting hole 73 may be provided at the straight end of the '∠'-shaped substrate 7, the middle of the bevel, or the bend. . Thus, the adjacent LED modules 2 are mounted on the bottom plate 1 through the fasteners 5 and the conductive pads 4, and the conductive pads 4 are pressed against the adjacent substrates. Make it electrically connected. In this case, it is preferable to use a conductive spacer having a larger outer diameter to conduct current between adjacent LED modules 2.

实施例二 Embodiment 2

As shown in FIGS. 7 and 8, different from the first embodiment, in the embodiment, the bottom plate 1 is a non-conducting body, and the fastener 5 For metal screws or metal snaps. Since the bottom plate 1 is a non-conducting body, the LED lighting device is made of a rear outer casing and is equally safe and reliable. Thus, the insulating sleeve in the first embodiment is omitted, and the material cost is lower.

实施例三 Embodiment 3

As shown in FIG. 9 and FIG. 10, different from the first embodiment, in the embodiment, the bottom plate 1 is an electrical conductor, and the fastener 5 It is a plastic screw or a plastic buckle. Thus, the insulating sleeve in the first embodiment is omitted, and the material cost is lower. Since the fastener 5 is a plastic screw, the current transmitted between the LED modules 2 is not transmitted to the bottom plate 1 , equally safe and reliable.

实施例四 Embodiment 4

As shown in FIG. 11 and FIG. 12, different from the first embodiment, the conductive gasket 4 in the embodiment is a metal dome, and the fastener 5 It is a plastic or rubber piece. The substrate 7 described here does not need to be left with gaps or openings, which reduces the number of processing steps. One end of the plastic member or the rubber member passes through the gap 20 between the adjacent LED modules 2, and then the card is inserted into the bottom plate. 1 . At this time, the adjacent LED module 2 is pressed at both ends of the metal dome to realize the electrical connection. Such adjacent LED module 2 No need to be close, and thus no need for higher stitching accuracy, the operation is more convenient. When the metal shrapnel pressure is not enough, the fastener can also be used for the LED The module is fixed or additional fasteners are added. Preferably, the plastic component or the rubber member passes through the bottom plate at one end and forms a latching 51 on the side of the bottom plate 1 for setting a buckle, so that the LED module 2 can be Securely fastened to the base plate 1.

实施例五 Embodiment 5

Different from the first embodiment, the conductive spacer is a circuit board having a conductive layer, and the conductive layer is in contact with the substrate downward when assembled. Thus, the insulating sleeve in the first embodiment is omitted, and the figure 4 can be cut at the same time. The resulting scrap material in the case of a bulk substrate is made into the wiring board required in this embodiment to further reduce the material cost.

The above is only the preferred embodiment of the present invention, and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the present invention. The scope of protection of utility models.

Claims

An LED lighting device, characterized in that the LED lighting device comprises a bottom plate, a plurality of LED modules and a plurality of LEDs a conductive pad and a fastener that are sequentially fixed to the bottom plate and electrically connected to the bottom plate, and the LED module is composed of one or more LEDs The fixing is formed on the substrate; the fastener fastens the conductive gasket to the substrate and enters the bottom plate, and the conductive gasket electrically connects the adjacent LED modules.
LED lighting device according to claim 1 The bottom plate is an electrical conductor, the fastener is a metal screw or a metal buckle, and the metal screw or metal buckle outer casing is provided with a conductive gasket and an LED The module is an electrically isolated insulating sleeve, and the insulating sleeve has an insulating ring at one end for electrically isolating the screw head or the buckle from the conductive gasket.
LED lighting device according to claim 1 The bottom plate is a non-conducting body, and the fastener is a metal screw or a metal buckle.
LED lighting device according to claim 1 The bottom plate is an electrical conductor, and the fastener is a plastic screw or a plastic buckle.
The LED lighting device according to claim 1, wherein the conductive spacer is a circuit board having a conductive layer, and the conductive layer is in contact with the substrate downward when assembled .
LED lighting device according to claim 1 The conductive gasket is a metal elastic piece, and the fastener is a plastic part or a rubber part.
The LED lighting device according to claim 6, wherein one end of the plastic member or the rubber member passes through the adjacent LED A gap between the modules, the two ends of the metal dome are pressed against the adjacent LED modules to achieve the electrical connection.
LED lighting device according to claim 7 The plastic member or the rubber member has one end passing through the bottom plate and forming a latching position on one side of the bottom plate.
The LED lighting device according to any one of claims 1 to 5, wherein The substrate has a substantially '∠' shape, and a first notch and a second notch are formed at a straight end and a middle of the oblique side; and the first notch and the second notch of the adjacent LED module are formed close to each other to form the fastening Mounting holes through which the pieces pass, adjacent LEDs After the module is mounted on the bottom plate, the conductive pads are pressed against adjacent substrates to electrically connect them.
The LED lighting device according to any one of claims 1 to 5, wherein The substrate has a substantially '∠' shape, and a mounting hole is provided at the end of the straight edge, the middle of the oblique side or the bend; adjacent LED After the module is mounted on the bottom plate, the conductive pads are pressed against adjacent substrates to electrically connect them.