CN205001958U - LED lighting device - Google Patents

Abstract

The utility model provides an LED lighting device, which includes a lamp housing and an LED light source assembly. The lamp housing includes an electric cover and a lamp cover. A power supply is specifically arranged in the cavity, and the power supply is installed to the inner side of the electric cover through a bending piece. The LED light source assembly is installed on the inner top of the lampshade, and a reflective cup is arranged on the periphery of the LED light source assembly. The LED light source assembly includes a substrate, an LED illuminant unit and a lens, the LED illuminant unit is arranged on the substrate, the substrate provided with the LED illuminant unit is packaged in the lens, and the lens is installed on the inner top of the lampshade. One end of the reflective cup is connected to the lens, and one end of the reflective cup is arranged around the lens. The utility model greatly enhances the light effect by arranging a reflective cup on the circumferential circle of the LED light source assembly, and the lampshade is made of pure aluminum, taking into account the structural parts and heat dissipation effect, and the heat dissipation effect is better.

Description

A kind of LED lighting device

technical field

The utility model relates to the technical field of lighting device design, in particular to an LED lighting device.

Background technique

Lighting devices are used in residences, factory workshops, mine operations and other places. LEDs are more and more widely used due to their energy saving and environmental protection, long service life, short start-up time, good safety and stability, and so on. There are more and more LED lamps.

The existing known LED lighting device is usually composed of a radiator, a power supply, an LED light source and a lampshade, and the processing and installation procedures of the lamp parts are complicated. Existing known LED lighting devices are provided with dedicated radiators. The heat sink includes a heat sink body and an LED light source mounting plate. The heat sink is relatively thick, and a lampshade is installed under the heat sink, resulting in a large size of the LED lighting device and a large weight of the lamp. The LED light source is installed on the mounting plate first, and then installed on the radiator body. The thermal resistance between the two is very large. When the contact area between the mounting plate and the radiator is determined, the heat generated by the light source must be quickly transferred to the radiator. If it goes up, the mounting plate is required to have sufficient thickness. Increasing the thickness of the mounting plate will inevitably increase the weight of the radiator and the cost of processing. At the same time, some large LED lighting devices (such as industrial and mining lights) are usually installed in high places, and their heavy weight will inevitably lead to high safety hazards.

In addition, the existing known LED lighting device also has the problem of poor light efficiency of the LED light source assembly, which will affect the lighting quality of the whole lamp.

Utility model content

The utility model provides an LED lighting device, which includes a lamp housing and an LED light source assembly. An electrical cavity for installing electrical components is formed between the shade and the top of the lampshade; the LED light source assembly is installed on the inner top of the lampshade, and a reflective cup is provided on the circumference of the LED light source assembly.

Preferably, the LED light source assembly includes a substrate, an LED illuminant unit and a lens, the LED illuminant unit is disposed on the substrate, and the substrate provided with the LED illuminant unit is packaged in the lens, so The lens is mounted on the inside top of the lampshade.

Preferably, one end of the reflective cup is connected to the lens, and one end of the reflective cup is arranged around the lens.

Preferably, one end of the reflective cup is provided with several connecting structures around one end, and several positioning structures are arranged around the lens, and the reflective cup is connected to the lens through the connecting structures and the positioning structures. superior.

Preferably, the positioning structure and the lens are integrally formed by injection molding or assembled and connected.

Preferably, a sealing ring is provided between the lens and the inner top of the lampshade.

Preferably, the lampshade is made of pure aluminum, and the lampshade serves as a heat dissipation component of the LED lighting device.

Preferably, a power supply is arranged in the electrical cavity, and the power supply is installed inside the electrical cover through a bending piece.

Preferably, the middle part of the bending member is provided with a power supply fixing structure, and the inner top of the electrical cover is provided with a power supply installation groove; the bending member is installed on the inner side of the electrical cover, and the power supply is located in the Between the power supply fixing structure and the power supply installation slot.

Preferably, the LED illuminant unit includes at least one LED lamp bead, or at least one LED chip containing phosphor, or COB, or a combination of multiple LED lamp beads with different color temperatures, or a variety of different color temperature LED lamp beads. Color temperature LED chips containing phosphors are combined.

Compared with the prior art, the utility model has the following advantages and positive effects due to the adoption of the above technical scheme:

1) The LED lighting device provided by the utility model greatly enhances the light efficiency by arranging a reflective cup on the circumference of the LED light source assembly, thereby effectively improving the lighting performance of the LED lighting device;

2) In the LED lighting device provided by the utility model, the lampshade is made of pure aluminum, so that the LED light source assembly can directly dissipate heat through the lampshade, and no additional radiator needs to be installed; at the same time, the lampshade is made of aluminum, which greatly reduces the weight of the lampshade , reducing potential safety hazards;

3) In the LED lighting device provided by the utility model, the power supply is fixed and installed through the bending parts and the power supply installation groove on the top of the electric cover, omitting the use of the power supply box, which is beneficial to reduce the volume and weight of the whole lamp.

Description of drawings

The above-mentioned and other features and advantages of the present utility model can be more clearly understood through the following detailed description in conjunction with the accompanying drawings, wherein:

Fig. 1 is the overall schematic diagram of the LED lighting device provided by the utility model;

Fig. 2 is the disassembly schematic diagram of the LED lighting device provided by the utility model;

Fig. 3 is the schematic diagram of the installation between the reflective cup and the lens in the utility model;

Fig. 4 is a schematic diagram of the installation of electrical devices in the utility model.

Symbol Description:

1- Electrical cover

101-through hole

2- lampshade

3-rings

4-reflector

401-connection structure

5-substrate

6- sealing ring

7-lens

8-Positioning mechanism

9-screw

10-Power

1001, 1002-cable

11-bending piece

1101-power fixed structure

1102 - Connection plate.

detailed description

Referring to the accompanying drawings showing embodiments of the invention, the invention will be described in more detail below. However, this invention may be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are presented so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. In these drawings, the size and relative sizes of layers and regions may be exaggerated for clarity.

Referring to Figures 1-4, the utility model provides an LED lighting device, which includes a lamp housing and an LED light source assembly disposed in the lamp housing; the utility model has the advantages of good heat dissipation and illumination effects.

Specifically, the lamp housing includes an electric cover 1 and a lamp cover 2. In this embodiment, both the electric cover 1 and the lamp cover 2 have a cover-like structure with one end open, and the openings are all facing downward; the bottom of the electric cover 1 is connected to the outside of the lamp cover 2 On the top of the lampshade 1, and the top of the electric cover 1 and the lampshade 2 form a closed electrical cavity for installing electrical components such as power supply and electric wires; a suspension ring 3 is also provided on the top of the electric cover 1 for hanging the entire LED lighting device. In other embodiments, devices such as suspenders can be provided on the top of the electrical cover 1 to suspend the entire LED lighting device, which also belongs to the protection scope of the present invention.

Wherein, the lampshade 2 can be made of pure aluminum material, so that the lampshade 2 can be directly used as a heat sink, and the lampshade 2 takes into account both structural parts and heat dissipation. The lampshade 2 is made of pure aluminum, so that the LED light source assembly can directly dissipate heat through the lampshade 2, without installing another radiator; at the same time, the lampshade is made of aluminum, which greatly reduces the quality of the lampshade and reduces potential safety hazards. Of course, the specific shapes of the electric cover 1 and the lamp cover 2 can be adjusted according to requirements, and there is no limitation here.

As shown in Figure 2, the LED light source assembly is installed on the inside top of the lampshade 2. The LED light source assembly includes a substrate 5, an LED illuminant unit and a lens 7, and the LED illuminant unit is arranged on the substrate 5; wherein, the LED illuminant unit Including at least one LED lamp bead, or at least one LED chip containing phosphor, or COB, or a combination of LED lamp beads with different color temperatures, or a combination of LED chips containing phosphor powder with different color temperatures The specific structural form of the LED illuminant unit is not limited here; the substrate 5 provided with the LED illuminant unit is packaged in the lens 7, and the lens 7 is installed on the inner top of the lampshade 2; The sealing ring 6 is used to realize the sealing between the lens 7 and the lampshade 2, so as to realize the dustproof and waterproof effect of the lens 7; a sealant can be further arranged between the lens 7 and the inner top of the lampshade 2 to strengthen the sealing.

In this embodiment, a reflective cup 4 is also arranged inside the lampshade 2, and the reflective cup 4 is connected to a circle of the LED light source assembly to enhance the light effect; the reflective cup 4 has a structure with two ends open, and one port has a large diameter; One port has a small diameter, and the smaller end of the reflective cup 4 is mounted on the lens 7 . As shown in FIG. 3 , a number of connecting structures 401 are evenly arranged on one end of the connecting end of the reflector 4 and the lens 7 , and the specific connecting structure 401 is a bayonet; the corresponding position of the lens 7 is provided with a positioning structure that matches the connecting structure 401 8. The specific positioning structure 8 is a positioning column. The positioning column is fixedly installed on a circle of the lens 7 by means of screws 9, etc. Of course, the positioning column and the lens 7 can be integrally formed by injection molding, and can also be assembled and connected. There is no limitation here; the positioning post matches the bayonet on the reflector 4, the positioning post snaps into the bayonet and the bayonet and the positioning post are snapped in and positioned by rotating the reflector 4, thereby realizing the reflective cup 4 and the lens 7 The connection between the above-mentioned reflector 4 and the lens 7 has the advantages of convenient disassembly and replacement, and of course the connection between the reflector 4 and the lens 7 is not limited to this, and can be used according to specific conditions. to make adjustments.

In this embodiment, the reflective cup 4 can be made of materials such as plastic, metal or glass. The surface of the reflective cup 4 can be sprayed with high-reflectivity ink, can be pasted with a high-reflectivity film, and can be electroplated with a high-reflectivity metal film. It can be polished, and there is no limitation here; in this embodiment, a metal reflective cup is preferably used, and the metal reflective cup can play a role in heat dissipation.

In this embodiment, the LED lighting device further includes a power supply 10 , and the power supply 10 is arranged in an electrical cavity formed by connecting the electrical cover 1 and the lamp cover 2 . Specifically, the LED lighting device also includes a bending piece 11. The bending piece 11 includes a power supply fixing structure 1101 and a connecting plate 1102. A connecting plate 1102 is provided on both ends of the power supply fixing structure 1101. The power supply fixing structure 1101 It can be realized by means of power supply fixing card slot, etc., and there is no limitation here; there is also a mounting hole on the connecting plate 1102, and the bending part 11 is installed on the inner wall of the electrical cover 1 through the mounting hole and equipped with screws. A power supply installation slot is also provided on the inner top of the electric cover 1, and the power supply fixing structure 1011 is opposite to the power supply installation slot; one end of the power supply 10 is engaged in the power supply installation groove, and the other end is engaged with the power supply fixing structure, thereby realizing the power supply 10 installation. In the LED lighting device provided by the utility model, the power supply is fixedly installed through the bending parts and the power supply installation groove on the top of the electric cover, and the use of the power supply box is omitted, which is beneficial to reduce the volume and quality of the whole lamp.

The cable 1001 at one end of the power supply 10 is connected to the outside through the through hole 101 at the top of the electric cover 1 , and the cable 1002 at the other end of the power supply 10 is connected to the substrate 5 through the wire inlet hole at the top of the lampshade to realize the power supply of the LED light source assembly.

To sum up, the utility model provides an LED lighting device, which includes a lamp housing and an LED light source assembly. The lamp housing includes an electric cover and a lamp cover. The bottom of the electric cover is connected to the outer top of the lamp cover, and a An electric chamber; a power supply is specifically arranged in the electric chamber, and the power supply is installed inside the electric cover through a bending piece. The LED light source assembly is installed on the inner top of the lampshade, and a reflective cup is arranged on the periphery of the LED light source assembly. The LED light source assembly includes a substrate, an LED illuminant unit and a lens, the LED illuminant unit is arranged on the substrate, the substrate provided with the LED illuminant unit is packaged in the lens, and the lens is installed on the inner top of the lampshade. One end of the reflective cup is connected to the lens, and one end of the reflective cup is arranged around the lens. The utility model greatly enhances the light effect by arranging a reflective cup on the circumferential circle of the LED light source assembly, and the lampshade is made of pure aluminum, taking into account the structural parts and heat dissipation effect, and the heat dissipation effect is better.

Those skilled in the art should understand that the utility model can be implemented in many other specific forms without departing from the spirit or scope of the utility model. Although the embodiments of the present invention have been described, it should be understood that the present invention should not be limited to these embodiments, and those skilled in the art can make changes and changes within the spirit and scope of the present invention as defined by the appended claims. Revise.

Claims (10)

1. An LED lighting device, comprising a lamp housing and an LED light source assembly, characterized in that the lamp housing includes an electrical cover and a lamp cover, the bottom of the electrical cover is connected to the outer top of the lamp cover, and the electrical cover and the lamp cover An electrical cavity for installing electrical components is formed between the tops; the LED light source assembly is installed on the inner top of the lampshade, and a reflective cup is arranged on the circumferential direction of the LED light source assembly. 2. The LED lighting device according to claim 1, wherein the LED light source assembly comprises a substrate, an LED illuminant unit and a lens, the LED illuminant unit is arranged on the substrate, and the LED The substrate of the illuminant unit is encapsulated within the lens, which is mounted on top of the inside of the lampshade. 3. The LED lighting device according to claim 2, wherein one end of the reflective cup is connected to the lens, and one end of the reflective cup is arranged around the lens. 4. The LED lighting device according to claim 3, characterized in that, one end of the reflective cup is provided with several connecting structures, and the lens is circumferentially arranged with several positioning structures, and the reflective cup passes through the The connecting structure cooperates with the positioning structure and is connected to the lens. 5. The LED lighting device according to claim 4, wherein the positioning structure and the lens are integrally formed by injection molding or assembled and connected. 6 . The LED lighting device according to claim 2 , wherein a sealing ring is provided between the lens and the inner top of the lampshade. 7. The LED lighting device according to claim 1, wherein the lampshade is made of pure aluminum, and the lampshade is used as a heat dissipation part of the LED lighting device. 8. The LED lighting device according to claim 1, wherein a power supply is arranged in the electrical cavity, and the power supply is installed inside the electrical cover through a bending piece. 9. The LED lighting device according to claim 8, characterized in that, the middle part of the bending member is provided with a power supply fixing structure, and the inner top of the electric cover is provided with a power supply installation groove; the bending member is installed to the inside of the electrical cover, and the power supply is located between the power supply fixing structure and the power supply installation slot. 10. The LED lighting device according to claim 2, characterized in that, the LED illuminant unit comprises at least one LED lamp bead, or at least one LED chip containing phosphor, or COB, or a plurality of different The color temperature LED lamp beads are combined, or a variety of LED chips containing phosphor powder with different color temperatures are combined.