CN204459844U - A kind of LED silk - Google Patents

Abstract

The utility model discloses an LED filament, which comprises two metal welding plates, a filament body is arranged between the two metal welding plates, the filament body and the metal welding plates are electrically connected, and the feature is that the filament body includes a plurality of filament components, Adjacent filament assemblies are connected through bendable flexible connectors. The advantage is that the shape of the LED filament can be changed by changing the shape of the flexible connector, and the diversity of the shape of the LED filament can be changed without opening molds of different shapes, which saves production costs and can be adapted to the light-emitting angle of the LED lamp Adjustment.

Description

A kind of LED filament

technical field

The utility model relates to the field of LED lighting, in particular to an LED filament.

Background technique

As a new energy source, LED has been widely used in the lighting field because of its good energy-saving effect and long service life. LED lamps have changed the principle of tungsten filament luminescence of incandescent lamps, and use electric field luminescence, which has the advantages of high luminous efficiency, no radiation, long life, low power consumption, environmental protection and energy saving.

At present, the shape of the filament of the existing LED lamp is generally invariable. Such a design makes it difficult to adjust the light-emitting angle of the LED. In order to meet the requirements of the light-emitting angle of different lamps, it is necessary to manufacture LED filaments of different shapes, and Manufacturing LED filaments with different shapes requires different molds, resulting in higher production costs.

Contents of the invention

The technical problem to be solved by the utility model is to provide an LED filament with low production cost and capable of adaptively adjusting the light-emitting angle of the LED.

The technical solution adopted by the utility model to solve the problems of the technologies described above is:

An LED filament, comprising two metal welding plates, a filament body is arranged between the two metal welding plates, the filament body is electrically connected to the metal welding plates, and the filament body includes A plurality of filament assemblies, the adjacent filament assemblies are connected through bendable flexible connectors.

The filament assembly includes a substrate and an LED lighting module set on the substrate, the LED lighting module includes a plurality of LED chips, and adjacent LED chips are electrically connected by wires. The filament assembly of this structure has a simple structure and is convenient to assemble.

The flexible connector is an insulator, and the adjacent LED lighting modules are electrically connected by wires. The flexible connector is an insulator, so that the flexible connector can be used in a wide range of materials and is not limited by the use conditions. At the same time, the flexible connector uses an insulator to make assembly and use safer.

The flexible connector is an electrical conductor, and the flexible connector is electrically connected to the LED lighting module. The flexible connector is a conductor, and the electrical connection can be realized through the flexible connector without additional wires between adjacent LED lighting modules, which makes the overall structure relatively simple and saves assembly time.

The flexible connecting piece includes a connecting portion and a bending portion, the connecting portions are respectively arranged on both sides of the bending portion, and one end of the filament assembly is arranged on the connecting portion. The filament assembly is arranged on the connection part, and the shape of the filament can be changed by bending the bending part. The structure is simple and the operation is convenient.

The width of the connecting portion is greater than the width of the bending portion. The width of the connection part is large, so that the connection part has sufficient strength to accept the filament assembly, and the width of the bending part is small, which saves material and is easy to bend.

Compared with the prior art, the utility model has the advantages that: the filament body includes multiple filament assemblies, adjacent filament assemblies are connected by bendable flexible connectors, and the LED can be changed by changing the shape of the flexible connectors. The shape of the filament can realize the diversity change of the shape of the LED filament without opening molds of different shapes, which saves the production cost, and at the same time can make adaptive adjustments to the light-emitting angle of the LED lamp.

Description of drawings

Fig. 1 is the structural representation of the utility model embodiment one;

Fig. 2 is the structural representation of the second embodiment of the utility model;

Fig. 3 is a schematic diagram of the first shape structure after bending of the utility model;

Fig. 4 is a schematic diagram of the structure of the second shape after bending of the utility model;

Fig. 5 is a structural schematic diagram of the utility model applied to an LED lamp.

Detailed ways

The utility model is described in further detail below in conjunction with the accompanying drawings.

Embodiment 1: An LED filament, including two metal welding plates 1, a filament body 2 is arranged between the two metal welding plates 1, the filament body 2 is electrically connected to the metal welding plate 1, and the filament body 2 includes a plurality of The filament assemblies 3 are connected to each other by a bendable flexible connector 4 between adjacent filament assemblies 3 .

In this specific embodiment, the filament assembly 3 includes a substrate 31 and an LED lighting module disposed on the substrate 31 , the LED lighting module includes a plurality of LED chips 32 , and adjacent LED chips 32 are electrically connected by wires 33 . The filament assembly 3 with this structure has a simple structure and is easy to assemble.

In this specific embodiment, the flexible connecting member 4 is an insulator, and the adjacent LED lighting modules are electrically connected through wires 33 . The flexible connector 4 is an insulator, so that the flexible connector 4 can use a wide range of materials and is not limited by the use conditions. At the same time, the flexible connector 4 uses an insulator to make assembly and use safer, as shown in FIG. 1 .

In this specific embodiment, the flexible connector 4 includes a connecting part 41 and a bent part 42 , the two sides of the bent part 42 are respectively provided with the connecting part 41 , and one end of the filament assembly 3 is arranged on the connecting part 41 . The filament assembly 3 is arranged on the connecting part 41, and the shape of the filament can be changed by bending the bending part 42. The structure is simple and the operation is convenient.

In this specific embodiment, the width W ₁ of the connecting portion 41 is greater than the width W ₂ of the bending portion 42 . The width W ₁ of the connecting portion 41 is relatively large, so that the connecting portion 41 has sufficient strength to receive the filament assembly 3 , and the width W ₂ of the bending portion 42 is small, which saves material and is easy to bend.

Before assembly, the flexible connector 4 is bent according to requirements, so that the shape of the LED filament meets the requirements for use. A bracket 6 for installing the LED filament is arranged inside the LED lamp 5, and the flexible connector 4 is supported by the bracket 6. The shape of the flexible connector 4 is fixed.

Embodiment 2: Other parts are the same as Embodiment 1, the difference is that the flexible connector 4 is an electrical conductor, and the flexible connector 4 is electrically connected to the LED lighting module. The flexible connector 4 is a conductor, and there is no need to pull additional wires between adjacent LED lighting modules. The electrical connection can be realized through the flexible connector 4, which makes the overall structure relatively simple and saves assembly time, as shown in Figure 2 shown.

Claims (6)

1. A kind of LED filament, comprises two metal welding plates, is provided with filament body between two described metal welding plates, is electrically connected between described filament body and described metal welding plate, is characterized in that The filament body includes a plurality of filament assemblies, and adjacent filament assemblies are connected by bendable flexible connectors. 2. A LED filament according to claim 1, characterized in that said filament assembly comprises a base plate and an LED light-emitting module set on said base plate, said LED light-emitting module comprises a plurality of LED chips , the adjacent LED chips are electrically connected by wires. 3 . The LED filament according to claim 2 , wherein the flexible connector is an insulator, and the adjacent LED lighting modules are electrically connected by wires. 4 . 4. The LED filament according to claim 2, wherein the flexible connector is an electrical conductor, and the flexible connector is electrically connected to the LED lighting module. 5. A LED filament according to claim 1, wherein the flexible connector comprises a connecting portion and a bending portion, the two sides of the bending portion are respectively provided with the connecting portion, the One end of the filament assembly is arranged on the connecting part. 6 . The LED filament according to claim 5 , wherein the width of the connecting portion is greater than the width of the bending portion.