CN203082638U - Optical beam-splitting LED (Light Emitting Diode) bulb lamp - Google Patents

Abstract

The utility model provides an optical light-splitting LED bulb lamp, which mainly includes a PC cover, a radiator and a lamp holder. The PC cover is arranged and fastened on the inner edge of the top of the radiator, and a hollow cavity is formed between the PC cover and the radiator. In the cavity, reflective components and PCB aluminum substrates welded with LED lamps are arranged sequentially from top to bottom; a plastic lamp holder is also included, one end of which is connected to the lamp head, and the other end is fixed in the cavity of the radiator. The utility model has the advantages of good lighting effect; high light utilization rate, thus having high light efficiency; good insulation performance, improving safety; reflective components, with optical light splitting effect, perfect lighting effect; simple structure, and can be greatly improved during production. Increase productivity.

Description

An optically split LED bulb lamp

technical field

The utility model relates to the application field of LED (Light Emitting Diode) lighting technology, in particular to an optically split LED bulb lamp.

Background technique

Because LED (Light Emitting Diode, referred to as light-emitting diode) has the advantages of energy saving, environmental protection, and long life, LED is widely used in LED lighting fixtures.

As a kind of LED lighting fixtures, LED bulb lamps are widely used for indoor lighting. Existing LED bulb lamps generally include a lampshade, LED lamp, radiator, power supply and lamp holder, wherein the power supply is arranged in the cavity of the radiator, the lamp holder and the radiator are screw-fixed, and the LED lamp is welded on the PCB aluminum substrate and It is affixed to the top of the radiator, and finally it is affixed to the top edge of the lampshade and the radiator to cover the LED lamp. There are some problems in the design structure of this kind of LED bulb lamp. The lamp head is directly connected to the radiator. According to the radiator on the market, it is generally a metal radiator. In this case, the radiator is easy to conduct electricity, which is easy to cause electric shock; and the power supply is directly installed. In the cavity of the radiator, it is easy to contact with the radiator and cause leakage. The top of the LED lamp is directly covered by a lampshade, the light source is single, and the lighting effect is not good; when the reflected light is reflected to the light source, it is directly lost, resulting in low light efficiency utilization, and finally low light efficiency.

Contents of the invention

In order to solve the above-mentioned deficiencies in the prior art, the utility model provides a safe and high-efficiency LED bulb lamp.

The technical solution adopted by the utility model to solve its technical deficiency is:

An optically split LED bulb lamp, mainly including a PC cover, a radiator and a lamp holder, the PC cover is set and fastened on the top inner edge of the radiator, and a hollow space is formed between the PC cover and the radiator A cavity, in which the reflective assembly and the PCB aluminum substrate welded with LED lights are arranged sequentially from top to bottom; wherein the PCB aluminum substrate is arranged at the middle position of the top of the heat sink; the reflective assembly includes A tapered lens on the LED lamp, a cylindrical lens with a helicoid lens in the middle, and a trumpet-shaped reflective cup with double-sided reflection at the top of the cylindrical lens.

As a further improvement of the utility model, it also includes a plastic lamp holder. One end of the plastic lamp holder is designed with an external thread matching the internal thread of the lamp holder for connecting the lamp holder; the other end is designed to be hollow and used for placing a power supply.

As a further improvement of the utility model, the said LED lamp is a high-power LED.

As a further improvement of the utility model, the PC cover is a hemispherical frosted lampshade.

As a further improvement of the utility model, a fixed ring matching the size of the PCB aluminum substrate is designed on the top of the radiator, and the PCB aluminum substrate is placed in the fixed ring.

As a further improvement of the utility model, the interior of the radiator is designed with a cavity matching the size of the end of the plastic lamp holder for placing the power supply.

As a further improvement of the utility model, the PCB aluminum substrate is also designed with several holes, and the holes are used to fix the reflective components.

As a further improvement of the present utility model, the lower end of the PC cover is designed in a threaded shape and matched with the edge of the upper end of the radiator.

Compared with the prior art, the optically split LED bulb lamp described in the utility model has the beneficial effect that: a reflective component is designed above the LED lamp, which can effectively collect all side light and reflect it again, It has high light efficiency and high utilization rate; the design of the double-sided reflective horn-shaped reflector cup can effectively use the reflected light again, thereby effectively improving the light efficiency; the lamp head and the radiator are connected by a plastic lamp holder, which greatly improves The safety performance of LED bulb lamps reduces the risk. The reflective component has the effect of optical splitting and perfect lighting effect; the structure is simple, and the production efficiency can be greatly improved during the production process. the

Description of drawings

Fig. 1 is an exploded structure diagram of a preferred embodiment of the present invention.

FIG. 2 is a schematic perspective view of a preferred embodiment of the present invention.

Explanation of reference signs: 1. PC cover, 2. Reflective component, 3. PCB aluminum substrate, 4. Radiator, 5. Power supply, 6. Plastic lamp holder, 7. Lamp holder.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail.

Referring to Figures 1 to 2, the utility model provides an optically split LED bulb lamp, which mainly includes a PC cover (1), a reflective component (2), a PCB aluminum substrate (3), a heat sink (4 ), power supply (5), plastic lamp holder (6) and lamp holder (7). Specifically, the power supply (5) is set in the hollow of the upper end of the plastic lamp holder (6), and the lower end of the plastic lamp holder (6) is screwed and fixed to the lamp holder (7); then the plastic lamp holder with the power supply (5) is placed One end of the radiator (4) is placed in the cavity; secondly, the PCB aluminum substrate (3) welded with the LED lamp is fixed in the fixing ring on the top of the radiator (4), and fixed with screws; the reflector assembly (2) It is fixed directly above the LED lamp, and one end with a tapered lens is fixed on the LED lamp, and the PCB aluminum substrate is covered with the PC cover (1) and connected with the radiator (4).

In the utility model, the heat sink (4) is an aluminum profile heat sink, and the heat conduction effect of the aluminum profile is good, and a cylindrical hollow cavity is designed from the bottom of the heat sink (4), and the cavity and the The plastic lamp holder (6) is matched and arranged; its outer wall is a smooth surface. In the middle of the top, there is a circular fixed ring matching the size of the PCB aluminum substrate (3), the fixed ring is used to fix the PCB aluminum substrate (3), and several screw holes and leads are designed at the bottom hole; the screw hole is used to fix the PCB aluminum substrate (3), and the lead hole is used to electrically connect the output line of the power supply (5) to the PCB aluminum substrate (3) to supply power to the LED lamp.

The PC cover (1) is a hemispherical frosted lampshade. And the PC cover (1) is set and fastened on the top inner edge of the radiator (4), and a hollow cavity is formed between the PC cover (1) and the radiator (4). In the cavity, the reflective component (2) and the PCB aluminum substrate (3) welded with the LED lamp are arranged sequentially from top to bottom. Moreover, the lower end of the PC cover (1) is also designed in a threaded shape, and is arranged to match the top inner edge of the upper end of the radiator (4).

In the utility model, the LED lamp is a high-power LED.

In the present invention, the PCB aluminum substrate (3) is also designed with several holes, and the holes are used to fix the reflective components.

The reflective assembly (2) includes a tapered lens on the LED lamp, a cylindrical lens with a threaded surface lens in the middle, and a trumpet-shaped reflective cup with double-sided reflection on the top of the cylindrical lens. The conical lens directly covers the LED lamp, which mainly collects and reflects all the side light emitted by the LED lamp; the cylindrical lens is mainly used for light transmission, and the light passes through the threaded surface to produce a perfect light effect; The above-mentioned reflective cup can re-reflect the reflected light, thereby greatly improving the utilization rate of light and improving light efficiency. The most important thing is that the reflective reflective component has the effect of optical light splitting.

In the utility model, a plastic lamp holder (6) is also included, and one end of the plastic lamp holder (6) is designed with an external thread matching the internal thread of the lamp holder (7) for connecting the lamp holder (7); The other end is designed to be hollow to form a cavity, and the power supply (5) is placed in the cavity and placed inside the cylindrical cavity of the radiator (4). The input end of the power supply (5) is electrically connected to the lamp holder (7), and then connected to the mains, and its output end is electrically connected to the LED lamp to supply power to the LED lamp.

The above-mentioned embodiments only express the implementation manner of the present utility model, and the description thereof is relatively specific and detailed, but should not be construed as limiting the patent scope of the present utility model. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. the

Claims (8)

1. An optically split LED bulb lamp, mainly comprising a PC cover, a heat sink and a lamp holder, characterized in that: the PC cover is set and fastened on the top inner edge of the heat sink, and the PC cover and the A hollow cavity is formed between the radiators, and the reflective components are sequentially arranged from top to bottom in the cavity, and a PCB aluminum substrate welded with LED lights is arranged; wherein the PCB aluminum substrate is arranged at the middle position of the top of the radiator ; The reflective assembly includes a tapered lens on the LED lamp, a cylindrical lens with a threaded surface lens in the middle, and a horn-shaped reflective cup with double-sided reflection at the top of the cylindrical lens. 2. The optically split LED bulb lamp according to claim 1, further comprising a plastic lamp holder, one end of the plastic lamp holder is designed with an external thread matching the internal thread of the lamp holder, for connecting the lamp holder ; The other end is designed to be hollow and used to place the power supply. 3. The optically split LED bulb lamp according to claim 1, wherein the LED lamp is a high-power LED. 4. The optically split LED bulb lamp according to claim 1, wherein the PC cover is a hemispherical frosted lamp cover. 5. The optically split LED bulb lamp according to claim 1, characterized in that: the top of the heat sink is designed with a fixed ring matching the size of the PCB aluminum substrate, and the PCB aluminum substrate is placed on the fixed ring Inside. 6. The optically split LED bulb lamp according to claim 1, characterized in that: the inside of the heat sink is designed with a cavity matching the size of the end of the plastic lamp holder for placing the power supply. 7. The optically split LED bulb lamp according to claim 1, characterized in that: the PCB aluminum substrate is also designed with a number of holes, and the holes are used to fix the reflective components. 8 . The optically split LED bulb lamp according to claim 1 , characterized in that: the lower end of the PC cover is designed in a thread shape and matched with the edge of the upper end of the heat sink.

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