CN202955540U - LED (light emitting diode) bulb lamp - Google Patents

Abstract

The utility model provides an LED bulb lamp, which belongs to the application field of lighting technology. It mainly includes lampshade, PCB aluminum substrate, driving power supply, lamp holder and a plastic lamp holder designed to match the lamp holder; it also includes a heat sink, a circular groove is designed on the upper end of the heat sink, and the circular groove A circular boss is designed inside, and the circumference of the circular boss is the same as that of the PCB aluminum substrate; LED lights, the LED lights are arranged on the PCB aluminum substrate in a ring structure. The utility model has the advantages of high luminous uniformity, reasonable structural design, and is not easy to loosen.

Description

LED Bulb

technical field

The utility model relates to the application field of LED (Light Emitting Diode) lighting technology, in particular to an 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. The LED bulb lamps currently on the market generally include a lampshade, an LED light source, a heat sink, a driving power supply and a lamp cap, wherein the driving power is directly placed in the cavity of the heat sink, and the lower end of the heat sink is directly fixed to the lamp cap. The structure of this kind of LED bulb lamp does not isolate the driving power supply from the lamp body to form insulation; the LED bulb lamp is in contact with the lamp body during work, which is prone to leakage or short circuit, causing electric shock hazards to the human body, and at the same time causing economical damage. loss. In order to solve the problem of leakage or short circuit of the LED bulb lamp and improve the safety performance, it is necessary to develop an LED bulb lamp with high insulation performance between the driving power supply and the lamp body and good product quality.

Contents of the invention

In order to solve the above-mentioned existing technical problems, the utility model provides a high-quality LED bulb lamp, and at the same time improves the safety performance of the LED bulb lamp.

The technical scheme that the utility model solves its technical problem adopts is:

LED bulb lamp mainly includes lampshade, PCB aluminum substrate and LED lamp designed on PCB aluminum substrate, heat sink, driving power supply, lamp holder and plastic lamp holder designed to match the lamp holder. The driving power supply is set on the plastic lamp In the cavity of the seat, the upper port of the plastic lamp holder is designed with an insulating sheet; the upper port of the heat sink is designed with a circular groove, and the circular groove is designed to match the size of the PCB aluminum substrate .

As a further improvement of the utility model, the LED lamps are high-power LEDs, and the quantity is plural.

As a further improvement of the utility model, the LED lamps are arranged on the PCB aluminum substrate in a ring structure, and the number of rings is one ring or multiple rings.

As a further improvement of the utility model, the upper port of the plastic lamp holder is designed with a card slot.

As a further improvement of the utility model, the insulating sheet has a circular structure with a lead hole designed in the middle, and the size of the insulating sheet is matched with the size of the slot.

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

The beneficial effect of the LED bulb lamp described in the utility model is that the driving power is arranged in the cavity of the plastic lamp holder, an insulating sheet is designed on the upper port of the plastic lamp holder, and the driving power is sealed. In the plastic lamp holder, it is insulated from the lamp body to prevent leakage and short circuit of the lamp body, thereby improving the safety performance of the LED bulb lamp and reducing the risk of electric shock to the human body. A circular groove matching the size of the PCB aluminum substrate is designed on the upper port of the heat sink, and the structure design is reasonable. The process is simple and suitable for mass production.

Description of drawings

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

Fig. 2 is a schematic diagram of assembly of a preferred embodiment of the present invention.

Explanation of reference signs: 1. lampshade, 20. PCB aluminum substrate, 21. LED lamp, 3. heat sink, 4. insulating sheet, 5. driving power supply, 6. plastic lamp holder, 7. lamp cap.

Detailed ways

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

Referring to Figures 1 to 3, in an embodiment of the present invention, an LED bulb lamp is provided, which mainly includes a lampshade (1), a PCB aluminum substrate (20), an LED lamp (21), and a heat sink (3) , an insulating sheet (4), a driving power supply (5), a plastic lamp holder (6) and a lamp holder (7). Place the driving power supply (5) in the cavity of the plastic lamp holder (6), seal the upper port of the plastic lamp holder (6) with an insulating sheet (4); The lower port of the lamp holder (6) passes through and is electrically connected with the lamp holder (7), and the connecting wire at the other end is drawn out from the lead hole of the insulating sheet (4), and the plastic lamp holder (6) and the lamp holder (7) are connected by rotation The method is fixed. Next, place the plastic lamp holder (6) with the built-in driving power supply (5) in the cavity of the heat sink (3), and electrically connect the connecting wire drawn from the insulating sheet (4) to the PCB aluminum substrate (20), and then place the The PCB aluminum substrate (20) is placed in the circular groove and fixed with screws. Finally, the PCB aluminum substrate (20) and the LED lamp (21) on the PCB aluminum substrate (20) are covered by the lampshade (1) and fixed with the heat sink (3).

In the utility model, the plastic lamp holder (6) is made of insulating plastic material, and is matched with the lamp holder (7). The structure of the plastic lamp holder (6) is a hollow cylinder, and its upper end buckle is designed with a slot for placing the insulating sheet (4), and the circumference of the plastic lamp holder (6) is less than The cavity of the heat sink (3). Specifically, the driving power supply (5) is placed in the cavity of the plastic lamp holder (6), and then the upper port of the plastic lamp holder (6) is sealed with an insulating sheet (4); the lower end of the driving power supply (5) The connecting wires come out from the plastic lamp holder (6) and are electrically connected to the lamp holder (7), and the plastic lamp holder (6) and the lamp holder (7) are fixed by rotating connection; The lead hole leads out.

The insulating sheet (4) is made of insulating material with a circular structure and a lead hole is designed in the middle, and the size of the insulating sheet (4) matches the size of the slot on the upper port of the plastic lamp holder (6) design. It is used to seal the driving power supply (5) in the plastic lamp holder (6), insulate it from the lamp body, and prevent leakage and short circuit caused by contact with the lamp body, thereby improving the safety performance of the LED bulb lamp and reducing electric shock to the human body Danger.

The heat sink (3) is an aluminum profile heat sink, which has a good heat conduction effect, and the heat generated by the LED bulb lamp can be quickly dissipated outward through the heat sink (3). The outer wall of the heat dissipation seat (3) is designed with several heat dissipation fins. The heat sink (3) is also designed with a cylindrical cavity transparent up and down, and the cylindrical cavity is used to place the plastic lamp holder (6). The upper port of the heat sink (3) is also designed with a circular groove, and the circular groove is designed to match the size of the PCB aluminum substrate (20), and the circular groove is also designed with Several screw holes.

The PCB aluminum substrate (20) has a circular structure, is placed in a circular groove on the upper port of the heat sink (3), and is fixed by screws.

LED lamps (21), the LED lamps (21) are high-power LEDs, the number of lamps is plural, arranged on the PCB aluminum substrate (20) in a ring structure, the arrangement of the ring structure The quantity is one or more rings. In this embodiment, the LED lights (21) are welded and arranged in a ring.

The lampshade (1) is a hemispherical frosted PC cover. It is used to cover the PCB aluminum substrate (20) and the LED lamp (21); when the LED lamp is lit, the light is transmitted outward from the lampshade (1). The lampshade (1) is fixed with the heat sink (3) and further fixed with the PCB aluminum substrate (20).

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.

Claims (2)

1. LED bulb lamp mainly includes lampshade, PCB aluminum substrate and LED lamp designed on PCB aluminum substrate, heat sink, driving power supply, lamp holder and plastic lamp holder designed to match the lamp holder, characterized in that: The driving power is set in the cavity of the plastic lamp holder, the upper port of the plastic lamp holder is designed with an insulating sheet; the upper port of the heat sink is designed with a circular groove, and the circular groove is connected with the PCB The size of the aluminum base plate matches the design. 2. The LED bulb lamp according to claim 1, characterized in that: the LED lamps are high-power LEDs, and the number is plural. 3. The LED bulb lamp according to claim 1, characterized in that: the LED lamps are arranged in a ring structure on the PCB aluminum substrate, and the number of rings is one ring or multiple rings. 4. The LED bulb lamp according to claim 1, characterized in that: the upper port of the plastic lamp holder is designed with a slot. 5. The LED bulb lamp according to claim 4, characterized in that: the insulating sheet has a circular structure with a lead hole designed in the middle, and the size of the insulating sheet is designed to match the size of the slot. 6. The LED bulb lamp according to claim 1, wherein the lampshade is a hemispherical frosted PC cover.

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