CN102042571B - Conductive cladding structure for lighting devices - Google Patents

Abstract

The invention provides a conductive coating structure of a lighting device, wherein the lighting device comprises a metal bearing and two or more than two light-emitting components, the conductive coating structure comprises a conductive circuit, an electric connector, a light-transmitting body and a lampshade, and the conductive circuit is arranged on the surface of the metal bearing and is electrically connected with the light-emitting components; the electric connector is fixed on the metal bearing seat and is electrically connected with the conductive circuit in a conductive way; the light-transmitting body is covered outside the conductive circuit and the electric connector and is solidified and molded; the lampshade is covered outside the electric connector and the light-transmitting body and is solidified and molded; therefore, the influence caused by moisture and steam can be effectively prevented, the oxidation resistance is further improved, and the service life can be prolonged.

Description

Conductive cladding structure for lighting devices

technical field

The present invention relates to a conductive coating structure, in particular to a conductive coating structure of an illuminating device.

Background technique

Light-emitting diodes (LEDs) in light-emitting components have been widely and widely used in indoor or outdoor lighting devices because of their good brightness, long life and power saving, which determines the advantages and disadvantages of these lighting devices Failure, always can not escape the various factors that electrical components are damaged by the influence of temperature, humidity, oxidation, etc.;

The known lighting device mainly includes a lampshade, a light-emitting module and a light-transmitting mirror, wherein the light-transmitting mirror is fixed on one side of the lampshade, and an accommodating space is formed between the light-transmitting mirror and the lampshade, and the light-emitting module is installed in the accommodating space , and it is composed of a circuit board connected to the lampshade and two or more LEDs arranged above the circuit board, and these LEDs are projected in the direction corresponding to the light-transmitting mirror; thus, they can be combined into a lighting device.

However, this lighting device still has the following problems in actual use: since its light-emitting module is installed in the accommodation space, there is a large amount of air in the accommodation space, and when the conductive circuit is exposed to the air, it is very easy to Combined with oxygen molecules in the air to form oxides, it is easy to cause poor conductivity, and even seriously affect the service life of the overall lighting device. In addition, it is formed by combining and installing each component one by one, which not only consumes a lot of labor costs for assembly, but also cannot effectively improve the speed of the production process, thereby greatly reducing its practicability and economic benefits. The aforementioned problems urgently need to be improved.

Contents of the invention

The main purpose of the present invention is to provide a conductive coating structure of a lighting device, which seals and covers the conductive circuit and the electrical connector, which can effectively prevent the influence of moisture and water vapor on the conductive circuit, thereby prolonging the lighting time. The service life of the device.

In order to achieve the above object, the present invention provides a conductive coating structure of a lighting device, the lighting device includes a metal socket and two or more light-emitting components, the conductive coating structure includes a conductive circuit, an electrical connector, The light-transmitting body and the lampshade, the conductive circuit is arranged on the inner surface of the metal socket and electrically connected to the light-emitting component; the electrical connector is fixed on the metal socket and electrically connected to the conductive circuit; the The light-transmitting body is coated on the conductive circuit and the electric connector and cured; the lampshade is covered on the electric connector and the light-transmitting body and cured.

The conductive coating structure of the lighting device of the present invention also has the following effects, which is to mold the light-transmitting body and the lampshade in the way of injection coating, which can not only reduce the electrostatic effect ( ESD), which can improve the yield and stability of the product. It can also greatly reduce the cost of manpower assembly due to the simplification of the process. Moreover, by forming the light guide column on the light-transmitting body, the projection angle emitted by the light-emitting component can be precisely controlled within a certain range.

Description of drawings

Fig. 1 is an exploded view of a metal socket and a conductive circuit of the present invention;

2 is an exploded view of the metal socket, conductive circuit and electrical connector of the present invention;

Fig. 3 is a combination diagram of the structure of the present invention and each light-emitting component;

Figure 4 is a schematic cross-sectional view of Figure 3;

Fig. 5 is a combined cross-sectional schematic view of the structure of the present invention coated with a light-transmitting body;

Fig. 6 is a combined cross-sectional schematic view of the structure of the present invention covered with a lampshade;

Fig. 7 is an exploded view of the lighting device and the docking connector;

8 is a combination diagram of the lighting device and the docking connector;

FIG. 9 is a combined cross-sectional schematic view of another embodiment of the present invention.

Explanation of reference signs

conductive circuit 10

Insulation layer 11 Copper foil circuit layer 12

Contact 121

Electrical connector 20

Conductive rod 21

Translucent body 30

Light guide column 31

Shade 40

Lighting device 8

Metal seat 81, 81' Perforation 811

Groove 812 Light-emitting component 82

Butt connector 9

Detailed ways

The detailed description and technical content of the present invention are described below with accompanying drawings, but the attached drawings are only for reference and description, and are not intended to limit the present invention.

Please refer to Fig. 1 to Fig. 4, the present invention provides a conductive coating structure of a lighting device. The box body at the open end, the light-emitting component 82 can be in the form of a bare LED or an LED packaged with a lens.

The conductive circuit 10 is composed of an insulating layer 11 and a copper foil circuit layer 12 arranged above the insulating layer 11. The insulating layer 11 corresponds to the inner surface of the metal holder 81 and is pasted together; the aforementioned light-emitting components 82 are fixed on the insulating layer 11 , and its terminals (not shown) are electrically connected to the copper foil circuit layer 12 . In addition, a pair of through holes 811 are opened on the side plate of the metal socket 81 , and a pair of contact points 121 corresponding to the aforementioned through holes 811 are formed on the copper foil circuit layer 12 of the conductive circuit 10 .

The electrical connector 20 of this embodiment is a socket, which has a pair of conductive rods 21, the conductive rods 21 are electrically connected corresponding to the contacts 121, and the pair of conductive rods 21 are inserted into the through holes 811 corresponding to the aforementioned metal sockets 81, and It is electrically connected with the contact point 121 of the conductive circuit 10 .

Please refer to Figure 5, in order to put the semi-finished product made in Figure 4 into a prefabricated mold (not shown in the figure), and then heat and melt materials such as epoxy resin and polycarbonate (PC) , and injected into the mold by injection coating, the molten liquid will flow and coat the conductive circuit 10, each light-emitting component 82, and partially cover the metal seat 81, and the outside of the electrical connector 20, and be formed into a light-transmitting mold after curing body 30, and then taken out from the mold; in addition, light guide columns 31 are molded at the positions corresponding to the light emitting components 82 respectively.

Please refer to Figure 6, put the semi-finished product made in Figure 5 into a prefabricated mold (not shown in the figure), and then heat and melt engineering plastics and other materials, and inject it into the mold by injection coating , which will cover the outside of the light-transmitting body 30, the metal socket 81 and the electrical connector 20, and be formed into a lampshade 40 after being cured, and then taken out from the mold.

Please refer to FIG. 7 and FIG. 8, the lighting device 8 utilizes the electrical connector 20 projected by the lampshade 40 and partially covered, and provides a docking connector 9 corresponding to the electrical connector 20 for plugging or unplugging. , which increases the convenience of use.

Please refer to FIG. 9 , where the metal seat 81 can be in addition to the above-mentioned embodiment, it can also be in the form of the thick plate metal seat 81' of this embodiment, and an annular groove 812 is opened on its side surface. The aforementioned transparent When the light body 30 is coated on the conductive circuit 10 and the electrical connector 20, it is embedded in the groove 812 and fixed at the same time; in this way, the combination firmness of the light-transmitting body 30 and the metal seat 81' is increased; in addition, the light-transmitting body The upper surface of 30 is a flat surface; and the lampshade 40 is covered on the light-transmitting body 30, the electrical connector 20 and the partial metal socket 81'; thus, it also has the same effect as the above-mentioned embodiment.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention.

Claims (3)

1. A conductive covering structure of a lighting device, characterized in that the lighting device comprises a metal socket and more than two light-emitting components, the metal socket is a box with an open end, and the conductive covering structure includes : a conductive circuit arranged on the inner surface of the metal seat and electrically connected to the light-emitting component; an electrical connector fixed to the metal socket and electrically connected to the conductive circuit; A light-transmitting body is projected to coat the conductive circuit and the electrical connector, so that the conductive circuit is covered by the light-transmitting body and the metal seat and cured; and The lampshade is projected to cover the electrical connector and the light-transmitting body, so that the electrical connector is partially covered by the lampshade and cured; The conductive circuit includes an insulating layer attached to the metal seat and a copper foil circuit layer arranged above the insulating layer; The electrical connector has a pair of conductive rods, the side plate of the metal socket is provided with a pair of through holes, and the conductive rods are plugged into the through holes; The copper foil circuit layer is formed with a pair of contact points, which are arranged corresponding to the through holes and are electrically connected by the conductive rod. 2 . The conductive coating structure of the lighting device according to claim 1 , wherein the transparent body is made of epoxy resin or polycarbonate. 3 . 3 . The conductive coating structure of an illuminating device according to claim 1 , wherein the light-transmitting body is formed with light-guiding columns at positions corresponding to the light-emitting components. 4 .

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