CN202791699U - A high-power LED ceiling lamp - Google Patents

Abstract

The utility model discloses a high-power LED ceiling lamp, comprising an LED light source, a light-collecting device is arranged on the LED light source, the light-collecting device comprises a lampshade and a light guide plate, lamp bead holes corresponding to LED lamp beads are arranged on the bottom surface of the lampshade, the LED lamp beads are placed in the lamp bead holes, an inclined light-collecting surface is arranged around the lamp bead holes, the light-collecting surface collects the light emitted by the LED lamp beads, reduces the light emission angle of the LED lamp beads, and improves the lighting brightness; the inner wall surface of the lampshade is set as a reflective surface, the reflective surface is formed by a plurality of reflective blocks arranged in a flat manner, the reflective surface reflects all the light incident on the reflective surface in a set direction, so that the light utilization rate is improved; the light guide plate has a high light conductivity, the reflected light is emitted through the light guide plate, the light loss is small, and the light is uniform.

Description

A high-power LED ceiling lamp

technical field

The utility model relates to the field of LED lighting, in particular to a high-power LED ceiling lamp.

Background technique

LED ceiling light is a kind of lighting fixture embedded in the ceiling, which is widely used in hotels, western restaurants, coffee shops, shopping malls, professional window lighting and so on. The LED ceiling lamp uses LED as the light source, which has the characteristics of no mercury, no toxicity, no electromagnetic pollution, no harmful rays, energy saving, environmental protection, and long service life. Due to the large angle of the high-power LED, the existing high-power LED ceiling lamps all need lenses to concentrate the light to increase the illuminance, but the light spot after the light passes through the lens is not uniform enough, and the light will suffer light loss after passing through the lens. 80% to 90% reduces light utilization.

Therefore, how to solve the above problems is an urgent technical problem in the industry.

Contents of the invention

The main purpose of the utility model is to provide a high-power LED ceiling lamp, aiming at achieving good light-gathering effect, uniform light, low light loss rate and increased light utilization rate.

The utility model proposes a high-power LED ceiling lamp, which includes an LED light source composed of a substrate and several LED lamp beads evenly arranged on the substrate, and a light concentrating device is set on the LED light source. The light device includes a lampshade, the bottom surface of the lampshade is provided with lamp bead holes corresponding to the LED lamp beads one by one, the LED lamp beads are placed in the lamp bead holes, and around the lamp bead holes are An inclined light-gathering surface; the inner wall surface of the lampshade is set as a reflective surface, and the reflective surface is formed by arranging several reflective blocks. the

Preferably, the light concentrating device further includes a light guide plate, and the light guide plate is covered on the upper end of the lampshade.

Preferably, the light concentrating device further includes a fixing ring, the fixing ring includes an inner ring and an outer ring, and the lampshade and the light guide plate are fastened in the inner ring of the fixing ring.

Preferably, it also includes a heat sink and a heat dissipation surface ring, the LED light source is connected and fixed on one end surface of the heat sink, the heat dissipation surface ring is sleeved on the fixing ring, and the heat dissipation surface ring is connected to the fixed surface The outer rings of the rings are fixed by screw connections.

Preferably, the heat sink, the heat dissipation surface ring and the fixing ring are all made of high thermal conductivity magnesium aluminum material.

The light-gathering device of the high-power LED ceiling lamp of the utility model includes a lampshade and a light guide plate. There are lamp bead holes corresponding to the LED lamp beads one by one on the bottom surface of the lamp shade. The hole is provided with an inclined concentrating surface, which gathers the light emitted by the LED lamp beads, reduces the light emission angle of the LED lamp beads, and improves the lighting brightness; the inner wall of the lampshade is set as a reflective surface, and the reflective surface is composed of several reflective blocks Formed in a tiled arrangement, the reflective surface reflects all the light incident on the reflective surface in the set direction, which improves the light utilization rate; the light guide plate has a high light guide rate, the reflected light is emitted through the light guide plate, and the light loss is small , the light is uniform.

Description of drawings

Fig. 1 is the structural representation of lampshade in an embodiment of the utility model high-power LED ceiling lamp;

Fig. 2 is an exploded view of the structure of the LED ceiling lamp in an embodiment of the high-power LED ceiling lamp of the present invention.

The realization of the purpose of the utility model, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

Detailed ways

It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Referring to Fig. 1 and Fig. 2, an embodiment of the high-power LED ceiling lamp of the present invention is proposed, comprising an LED light source 10, a heat sink 50, a heat dissipation surface ring 40 and a light concentrating device covered on the LED light source 10, and the LED light source 10. It consists of an aluminum substrate and several high-power LED lamp beads evenly arranged on the aluminum substrate. The power of each LED lamp bead is 1W, which has the advantages of small size, low power consumption, high luminous efficiency, long life, and fast response speed. , strong brightness and other advantages. The LED light source 10 is fixed on one end surface of the heat sink 50, and the LED light source 10 is fixed on the heat sink 50 through screw connection. high speed.

The light concentrating device includes a bowl-shaped lampshade 20, a light guide plate 200 and a fixing ring 30. The lampshade 20 is covered on the LED light source 10, and the light guide plate 200 is covered on the upper end of the lampshade 20; the fixing ring 30 includes an inner ring and an outer ring, and the lampshade 20 and the light guide plate 200 are fixed in the inner ring of the fixing ring 30 . The bottom surface of the lampshade 20 is provided with lamp bead holes 201 corresponding to the LED lamp beads one by one. As the reflective surface 202, the reflective surface 202 is formed by a plurality of reflective blocks arranged in a tiled manner. The light emitted by the LED lamp beads is collected by the light-concentrating surface 203, then reflected by the reflective surface 202, and finally emitted by the light guide plate 200: the light-concentrating surface 203 gathers the light emitted by the LED lamp beads, reducing the light emission angle of the LED lamp beads, Improve the lighting brightness; the reflective surface 202 reflects all the light rays incident on the reflective surface 202 according to the set direction, so that the light utilization rate is improved; the light guide rate of the light guide plate 200 is high, and the reflected light is emitted through the light guide plate 200, The light loss is small and the light is uniform.

The inner diameter of the heat dissipation surface ring 40 is adapted to the outer diameter of the fixed ring 30, and the heat dissipation surface ring 40 and the outer ring of the fixed ring 30 are connected and fixed by screws, so that the heat dissipation surface ring 40 is sleeved on the fixed ring 30, and the heat dissipation surface ring 40 Several double torsion springs 400 are installed on the outer wall of the LED ceiling lamp for fixing the LED ceiling lamp on the ceiling.

Both the heat dissipation surface ring 40 and the fixed ring 30 are made of magnesium-aluminum material, which has high thermal conductivity. The heat generated by the LED light source 10 can also be conducted to the heat dissipation surface ring 40 and the fixed ring 30, and the heat dissipation surface ring 40 and the fixed ring 30 assists heat dissipation, speeds up heat dissipation, keeps the temperature of the LED light source 10 at a relatively low value, slows down light decay, and prolongs the service life of the LED light source 10 .

The above descriptions are only preferred embodiments of the present utility model, and are not therefore limiting the patent scope of the present utility model. Any equivalent structure or equivalent process transformation made by using the specification of the utility model and the contents of the accompanying drawings may be directly or indirectly used in Other relevant technical fields are all included in the patent protection scope of the present utility model in the same way.

Claims (5)

1. large power LED ceiling lamp, comprise by substrate and evenly be arranged on the led light source that several LED lamp pearls on the described substrate form, establish a beam condensing unit in described led light source upper cover, it is characterized in that, described beam condensing unit comprises a lampshade, the bottom surface of described lampshade is provided with and the described LED lamp pearl lamp hole of bead one to one, and described LED lamp pearl places the described lamp hole of bead, is provided with the caustic surface of inclination around the described lamp hole of bead; The internal face of described lampshade is made as reflective surface, and described reflective surface is arranged by some reflector block tilings and formed.

2. large power LED ceiling lamp according to claim 1 is characterized in that, described beam condensing unit also comprises LGP, and described LGP lid is located at the upper end of described lampshade.

3. large power LED ceiling lamp according to claim 2 is characterized in that, described beam condensing unit also comprises a retainer ring, and described retainer ring comprises interior ring and outer shroud, and described lampshade and described LGP fix in the interior ring of described retainer ring.

4. large power LED ceiling lamp according to claim 3, it is characterized in that, also comprise radiator and radiating surface ring, described led light source is fastened on the end face of described radiator, described radiating surface ring set is contained on the described retainer ring, is connected by screw fixing between the outer shroud of described radiating surface ring and described retainer ring.

5. large power LED ceiling lamp according to claim 4 is characterized in that, described radiator, described radiating surface ring and described retainer ring are made by the magnalium material of high heat conduction.

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