CN203099466U - Negative direction luminous LED lamp - Google Patents

Abstract

The utility model discloses a reverse luminous LED lamp, which comprises a lamp base (1), a heat dissipation light source plate (2) with an LED (21), a driving circuit assembly (3), a radiator (4), and a light transmission cover ( 5), the insulating connector (6), the top cover (8), the lower part of the insulating connector (6) is fixedly connected to the lamp head (1), the light-transmitting cover (5) is cylindrical and the upper and lower edges are respectively connected to the insulating (6) and the radiator (4), the center of the radiator (4) is provided with an accommodating cavity (40), the bottom is embedded with a heat dissipation plate (41), and the back of the heat dissipation light source plate (2) is solid with the heat dissipation plate (41) Connect and conduct heat, the LED (21) emits light facing the direction of the lamp head (1), and the top of the insulating connector (6) passes through the central through hole of the heat dissipation light source plate (2) and the heat dissipation plate (41) in turn, and then extends into the accommodating cavity ( 40) and connected with the fixing nut (9), fix the insulating connector (6) with the radiator (4) and the transparent cover (5), and place the drive circuit assembly (3) in the accommodating cavity (40) Inside, the top cover (8) is fixed at the top opening of the accommodating chamber (40). It can be applied to the field of LED lighting.

Description

A Reverse Lighting LED Lamp

technical field

The utility model relates to a reverse light emitting LED lamp.

Background technique

At present, in the field of lighting, LEDs have been more and more widely used in light sources for lighting because of their advantages such as energy saving, high luminous efficiency, long life, and fast start-up. Due to the directional nature of LED light, it does not emit light at 360° like CFL and incandescent lamps. Therefore, when LEDs are used as light sources to replace traditional incandescent lamps or CFL light sources, their application effects are limited to a certain extent; and the existing LED When lamps replace incandescent lamps or CFL light sources, their appearance is often restricted by heat dissipation and other factors, resulting in weird shapes of heat dissipation parts and poor overall light source aesthetics. In addition, the light emitting direction of the LED in the existing LED light bulbs is the direction away from the lamp head, that is, the light is emitted forward, which is mainly used to replace the traditional incandescent light bulbs. In some applications, such as wall lamps or chandeliers, the luminous effect is not not good. Furthermore, due to the characteristics of the LED itself, many LED light sources have the defect of glare.

Utility model content

The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art, and provide a reverse light-emitting LED lamp with good heat dissipation, soft light emission and reduced glare.

The technical solution adopted by the utility model is: the utility model includes a lamp holder, a heat dissipation light source board with several LEDs, a drive circuit assembly, a radiator, and a light transmission cover. The top cover, the lower part of the insulating connector is fixedly connected with the lamp cap, the transparent cover is cylindrical and the upper and lower edges are respectively connected with the insulating connector and the radiator, and the radiator The center of the heat dissipation light source board is provided with an accommodating cavity, and the bottom is embedded with a heat dissipation plate. The back of the heat dissipation light source plate is fixedly connected with the heat dissipation plate and conducts heat. Several LEDs on the heat dissipation light source plate emit light facing the direction of the lamp head. , the centers of the heat dissipation light source board and the heat dissipation plate are provided with through holes, and the tops of the insulating connectors pass through the through holes of the heat dissipation light source board and the heat dissipation plate in turn and then extend into the accommodating cavity and connected with a fixing nut, so as to fix the insulating connector, the heat sink and the transparent cover, the drive circuit assembly is placed in the accommodating cavity, and the top cover It is fixed at the top opening of the accommodating chamber.

Further, the insulated connector is provided with a ventilation cavity, and the outer periphery of the bottom is provided with several exposed ventilation holes, and the top cover is provided with several ventilation holes, the ventilation holes, the ventilation cavity, the container The housing cavity and the air holes are connected in sequence to form a cooling air circulation channel.

Further, the LED light emitting in reverse direction also includes a fixing ring, the fixing ring is fixedly connected with the heat dissipation plate through several screws, and the heat dissipation light source board is clamped and fixed between the fixing ring and the heat dissipation plate. between heat sinks.

Further, the part of the middle part of the insulating connector surrounded by the light-transmitting cover is in the shape of a curved cone or a pyramid or a cylinder or a prism.

Further, the outer wall of the insulating connector is provided with a reflective layer

Further, the shape of the LED lamp is consistent with that of a traditional incandescent bulb.

Further, several cooling fins are provided on the outer wall of the radiator.

Further, the transparent cover is transparent or translucent.

Further, the model of the lamp cap is E27 or E26 or E14 or E12 or G24 or G23 or B22 or GU10.

The beneficial effects of the utility model are: since the utility model includes a lamp holder, a heat dissipation light source board with several LEDs, a drive circuit assembly, a radiator, and a light transmission cover, the LED lamp that emits light in reverse direction also includes an insulating connector, a top Cover, the lower part of the insulating connector is fixedly connected with the lamp cap, the transparent cover is cylindrical and its upper and lower edges are respectively connected with the insulating connector and the radiator, and the radiator The center is provided with an accommodating cavity, and the bottom is embedded with a heat dissipation plate. The back of the heat dissipation light source plate is fixedly connected with the heat dissipation plate and conducts heat. Several LEDs on the heat dissipation light source plate emit light facing the direction of the lamp head. Both the heat dissipation light source board and the center of the heat dissipation plate are provided with a through hole, and the top of the insulating connector passes through the through holes of the heat dissipation light source board and the heat dissipation plate in turn, and then extends into the accommodating cavity and connected with a fixing nut, so as to fix the insulating connector, the heat sink and the light-transmitting cover, the drive circuit assembly is placed in the accommodating cavity, and the top cover is fixed At the top opening of the accommodating cavity; the utility model arranges the radiator at the front end of the entire LED lamp, and several LEDs on the heat dissipation light source board emit light facing the direction of the lamp head, and pass through the The light-transmitting cover emits light from the middle and rear of the entire LED lamp, making full use of the characteristics of the light-emitting angle of the LED itself, subverting the light-emitting methods of traditional incandescent lamps, CFL light sources and existing LED bulbs, and the luminous effect is special. The light does not directly irradiate the human eyes, so the luminescence is soft, effectively reducing and avoiding the occurrence of glare, and only one LED light source can realize the functions that can only be realized through complex lamps, so the utility model has good heat dissipation and soft luminescence , can reduce glare;

Since the insulated connector of the utility model is provided with a ventilation cavity, and the outer periphery of the bottom is provided with several exposed ventilation holes, and the top cover is provided with several ventilation holes, the ventilation holes, the ventilation cavity, the The accommodating cavity and the air holes are connected in turn to form a heat dissipation air circulation channel. Through the establishment of the above heat dissipation air circulation channel, the utility model utilizes the principle of a chimney to generate convection, so that the outside air naturally circulates from the inside of the lamp, and The heat generated during work is taken away, so the utility model has a better heat dissipation effect.

Description of drawings

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

Fig. 2 is a schematic diagram of an exploded structure of an embodiment of the utility model;

Fig. 3 is a schematic cross-sectional structure diagram of an embodiment of the utility model.

Detailed ways

As shown in Figures 1 to 3, the reverse-emitting LED lamp of this embodiment includes a lamp cap 1, a heat dissipation light source board 2 with several LEDs 21, a drive circuit assembly 3, a radiator 4, a light-transmitting cover 5, and an insulating connector 6. Top cover 8, the lower part of the insulating connector 6 is fixedly connected to the lamp cap 1, the transparent cover 5 is cylindrical and its upper and lower edges are connected to the insulating connector 6 and the radiator respectively. 4 are connected, the center of the heat sink 4 is provided with an accommodating cavity 40, and the bottom is embedded with a heat dissipation plate 41. The back of the heat dissipation light source plate 2 is fixedly connected with the heat dissipation plate 41 and conducts heat. The plurality of LEDs 21 on the 2 emit light facing the direction of the lamp holder 1, and the centers of the heat dissipation light source plate 2 and the heat dissipation plate 41 are provided with through holes, and the tops of the insulating connectors 6 pass through the heat dissipation plates in turn. The through holes of the light source board 2 and the heat dissipation plate 41 extend into the accommodating cavity 40 and are connected with a fixing nut 9, so as to connect the insulating connector 6 with the heat sink 4 and the through hole. The photomasks 5 are fixed, the driving circuit assembly 3 is placed in the accommodating cavity 40, the top cover 8 is fixed at the top opening of the accommodating cavity 40, and the insulating connector 6 is provided with Ventilation chamber 60, bottom periphery are provided with several exposed vent holes 61, and described top cover 8 is provided with several vent holes 81, and described vent hole 61, described vent chamber 60, described accommodating chamber 40 and all The ventilation holes 81 are connected in turn to form a heat dissipation air circulation channel. Through the establishment of the above heat dissipation air circulation channel, the utility model utilizes the principle of a chimney to generate convection, so that the outside air naturally circulates from the inside of the lamp and takes away the air during work. Therefore, the heat dissipation effect is further enhanced outside the radiator, and the LED light emitting in reverse direction also includes a fixing ring 7, and the fixing ring 7 is fixedly connected with the heat dissipation plate 41 through several screws 10, and The heat dissipation light source board 2 is clamped and fixed between the fixed ring 7 and the heat dissipation plate 41, the outer wall of the insulating connector 6 is provided with a reflective layer, and the middle part of the insulating connector 6 is covered by the transparent The part surrounded by the mask 5 is in the shape of a curved cone, which is not only beautiful in appearance, but also similar to the traditional incandescent lamp filament holder, and the curved side wall is conducive to uniform reflection of light. Of course, it can also be pyramid-shaped, cylindrical or prism-shaped. The shape of the LED lamp is consistent with that of a traditional incandescent light bulb, and does not produce a sense of abruptness. The outer wall of the radiator 4 is provided with several heat dissipation fins to further increase the heat dissipation area and improve the heat dissipation effect. At the same time, the appearance is richer and more beautiful. The translucent cover 5 can be made of transparent or translucent material according to the needs of the actual application. The model of the lamp holder is E26. Of course, the model of the lamp holder is not limited to that described in the embodiment, and can also be E27, E14 or E12. Or other models like G24 or G23 or B22 or GU10.

The utility model arranges the radiator 4 at the front end of the entire LED lamp, and several LEDs 21 on the heat dissipation light source board 2 emit light in the direction of the lamp head 1, and pass through the light-transmitting cover 5 to transmit light from the entire LED lamp. The middle and rear part of the lamp emits light outwards, making full use of the characteristics of the LED itself with a luminous angle, subverting the traditional incandescent light source, CFL light source and the existing LED bulb light emitting method, the luminous effect is special, and the light does not directly irradiate people. eye, so the light is soft, effectively reducing and avoiding the occurrence of glare, and only one LED light source can realize the function that needs to be realized through a complex lamp. Therefore, the utility model has good heat dissipation, soft light, and can reduce glare. It has a luminous effect that cannot be compared with light bulbs, and is especially suitable for use as light sources such as wall lamps and chandeliers.

The utility model can be widely used in the field of LED lighting.

The above embodiments are only examples to illustrate the utility model, and without departing from the idea of the utility model, any application of the specification and accompanying drawings of the utility model and various equivalent changes made are all included in the utility model within the scope of the claims.

Claims (9)

1. A reverse-light LED lamp, comprising a lamp base (1), a heat dissipation light source board (2) with several LEDs (21), a drive circuit assembly (3), a radiator (4), and a light transmission cover (5 ), characterized in that: the reverse-lighting LED lamp also includes an insulating connector (6) and a top cover (8), the lower part of the insulating connector (6) is fixedly connected to the lamp holder (1), and the The transparent cover (5) is cylindrical and its upper and lower edges are respectively connected with the insulating connector (6) and the heat sink (4), and the center of the heat sink (4) is provided with an accommodating cavity (40), a heat dissipation plate (41) is embedded at the bottom, the back of the heat dissipation light source plate (2) is fixedly connected with the heat dissipation plate (41) and conducts heat, and several of the heat dissipation light source plate (2) The LED (21) emits light facing the direction of the lamp holder (1), the centers of the heat dissipation light source plate (2) and the heat dissipation plate (41) are provided with through holes, and the tops of the insulating connectors (6) are sequentially After passing through the through holes of the heat dissipation light source plate (2) and the heat dissipation plate (41), it extends into the accommodating cavity (40) and connects with a fixing nut (9) to insulate the The connecting piece (6) is fixed between the radiator (4) and the transparent cover (5), the drive circuit assembly (3) is placed in the accommodating cavity (40), and the top cover (8) Fixed at the top opening of the accommodating cavity (40). 2. The reverse-emitting LED lamp according to claim 1, characterized in that: the insulated connector (6) is provided with a ventilation cavity (60), and the outer periphery of the bottom is provided with several exposed ventilation holes (61), The top cover (8) is provided with several ventilation holes (81), the ventilation hole (61), the ventilation cavity (60), the accommodation cavity (40) and the ventilation hole (81) They are connected in sequence to form a cooling air circulation channel. 3. The LED lamp with reverse light emission according to claim 1, characterized in that: the LED lamp with reverse light emission further comprises a fixed ring (7), and the fixed ring (7) is connected to the fixed ring (7) through several screws (10). The heat dissipation plate (41) is fixedly connected, and the heat dissipation light source plate (2) is clamped and fixed between the fixing ring (7) and the heat dissipation plate (41). 4. The reverse-emitting LED lamp according to claim 1, characterized in that: the middle part of the insulating connector (6) surrounded by the light-transmitting cover (5) is in the shape of a curved cone or a pyramid or Cylindrical or prismatic. 5. The LED lamp according to claim 1, characterized in that: the outer wall of the insulating connector (6) is provided with a reflective layer. 6. The reverse light emitting LED lamp according to claim 1, characterized in that: the shape of the LED lamp is consistent with that of a traditional incandescent bulb. 7. The LED lamp according to claim 1, characterized in that: the outer wall of the heat sink (4) is provided with several cooling fins. 8. The LED lamp according to claim 1, characterized in that: the transparent cover (5) is transparent or translucent. 9. The LED lamp according to claim 1, characterized in that: the model of the lamp holder (1) is E27 or E26 or E14 or E12 or G24 or G23 or B22 or GU10.

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