CN202521440U

CN202521440U - Light emitting diode (LED) ceiling lamp

Info

Publication number: CN202521440U
Application number: CN2012200119021U
Authority: CN
Inventors: 徐佳忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-01-10
Filing date: 2012-01-10
Publication date: 2012-11-07
Anticipated expiration: 2022-01-10

Abstract

The utility model relates to a light emitting diode (LED) ceiling lamp. The LED ceiling lamp comprises a disc-type mounting seat; an annular transformer, a rectifying circuit connected with the low voltage output end of the annular transformer and a plurality of ultra high-brightness LEDs distributed on the bottom surface of the disc-type mounting seat and connected with the direct-current voltage output end of the rectifying circuit are arranged on the bottom surface of the disc-type mounting seat; and the side wall of the disc-type mounting seat is provided with a plurality of air inlets, a plurality of heat dissipation holes are distributed on the bottom surface of the disc-type mounting seat, and exhaust slots communicated with the heat dissipation holes are distributed on the upper end face of the disc-type mounting seat. A circuit board of the ultra high-brightness LEDs is arranged on a sunflower heat sink; and the sunflower heat sink is connected to the bottom surface of the disc-type mounting seat. The ultra high-brightness LEDs are used as light sources, so that the ceiling lamp is high in brightness, energy-saving and environment-friendly; and a driving circuit of the LEDs is relatively simple and reliable, so that the ceiling lamp is low in cost and long in service life.

Description

A kind of LED lamp affixed to the ceiling

Technical field

The utility model relates to the technical field of lamp affixed to the ceiling, specifically is a kind of LED lamp affixed to the ceiling.

Background technology

Existing lamp affixed to the ceiling adopts the fluorescent lamp of annular as light source more, and its service life is short, brightness is lower, and the structure of its drive circuit is shorter than complicacy and service life, has influenced the use cost of lamp affixed to the ceiling.

How the lamp affixed to the ceiling that a kind of power is lower, cost is lower, brightness is higher and service life is long is provided, and is the technical problem that this area will solve.

The utility model content

The technical problem that the utility model will solve provides a kind of simple in structure, power is lower, cost is lower, brightness is higher and service life is long LED lamp affixed to the ceiling.

In order to solve the problems of the technologies described above; The LED lamp affixed to the ceiling that the utility model provides comprises the disc type mount pad, and the bottom surface of disc type mount pad is provided with toroidal transformer, the rectification circuit that links to each other with the low-voltage output of this toroidal transformer and is distributed in a plurality of ultra-bright LEDs that link to each other with the dc voltage output end of said rectification circuit on this disc type mount pad bottom surface; The sidewall of said disc type mount pad is provided with a plurality of air admission holes, is distributed with a plurality of louvres on the bottom surface of this disc type mount pad, is distributed with the air discharge duct that is connected with said louvre on the upper surface of said disc type mount pad.

As the scheme of optimizing, the circuit board at said ultra-bright LED place is located on the sunflower radiating rib, and this sunflower radiating rib is connected on the said disc type mount pad bottom surface.

As the scheme of optimizing; Said toroidal transformer is stacked toroidal transformer; The iron core of this lamination toroidal transformer builds up a hollow cylinder by multi-disc ring-shaped silicon steel sheet coaxial layer, axially is arranged with coil on the hollow cylinder, and the external diameter of described multi-disc ring-shaped silicon steel sheet is consistent, internal diameter is consistent.

The technique scheme of the utility model is compared prior art and had the following advantages: the lamp affixed to the ceiling of (1) the utility model adopts ultra-bright LED as light source, and brightness is high, energy-conserving and environment-protective, is suitable for energy-conservation more than 50% with respect to the traditional endless fluorescent lamp; The drive circuit of LED is simple relatively, reliable, and corresponding cost is lower and service life is longer.The sidewall of said disc type mount pad is provided with a plurality of air admission holes; Be distributed with a plurality of louvres on the bottom surface of this disc type mount pad; Be distributed with the air discharge duct that is connected with said louvre on the upper surface of said disc type mount pad; Be suitable in use constituting and open the self-loopa cooling: cold air gets into said disc type mount pad from a plurality of air admission holes, and cold air and sunflower radiating rib and LED carry out heat exchange, and the hot-air of generation is discharged from said a plurality of louvres and air discharge duct successively.(2) led drive circuit in the utility model adopts the lamination toroidal transformer, and the voltage of its output is more stable, can prevent the LED flicker; This lamination toroidal transformer adopts the multi-disc ring-shaped silicon steel sheet to process the iron core of hollow cylinder formula; Because ring-shaped silicon steel sheet is suitable for adopting the leftover pieces of silicon steel sheet to process; Be beneficial to the recycling of the leftover pieces of silicon steel sheet, therefore be suitable for practicing thrift related resource, and save production cost.

Description of drawings

For the content that makes the utility model is more clearly understood, below basis specific embodiment and combine accompanying drawing, the utility model is done further detailed explanation, wherein

Fig. 1 is the structural representation of disc type mount pad of the LED lamp affixed to the ceiling of the utility model;

Fig. 2 is the sunflower radiating rib among Fig. 1, the assembly structure figure of led circuit plate;

Fig. 3 is that the A of Fig. 1 is to view;

Fig. 4 is the cross-sectional view of said lamination toroidal transformer.

The specific embodiment

See Fig. 1-4, the LED lamp affixed to the ceiling of present embodiment comprises: disc type mount pad 1 be located at the lampshade on this disc type mount pad 1.

The bottom surface of said disc type mount pad 1 is provided with toroidal transformer 2, the rectification circuit that links to each other with the low-voltage output of this toroidal transformer 2 and is distributed in a plurality of ultra-bright LEDs 3 that link to each other with the dc voltage output end of said rectification circuit on this disc type mount pad 1 bottom surface; The sidewall of said disc type mount pad 1 is provided with a plurality of air admission holes 11, is distributed with a plurality of louvres 12 on the bottom surface of this disc type mount pad 1, is distributed with the air discharge duct 13 that is connected with said louvre 12 on the upper surface of said disc type mount pad 1.

As the scheme of optimizing, in the service life of for the benefit of dispelling the heat and guaranteeing LED, the circuit board at a plurality of ultra-bright LEDs 3 places is located on the sunflower radiating rib 4, and this sunflower radiating rib 4 is connected on said disc type mount pad 1 bottom surface.

Be suitable in use constituting and open the self-loopa cooling: cold air gets into said disc type mount pad from a plurality of air admission holes, and cold air and sunflower radiating rib and LED carry out heat exchange, and the hot-air of generation is discharged from said a plurality of louvres and air discharge duct successively.This structure has been guaranteed the radiating effect of LED lamp affixed to the ceiling, and then has ensured the service life of ultra-bright LED.

As the scheme of optimizing, said toroidal transformer 2 is the lamination toroidal transformer, and it comprises iron core, and this iron core builds up a hollow cylinder by multi-disc ring-shaped silicon steel sheet 21 coaxial layers.

Axially be arranged with primary coil and secondary coil on the said hollow cylinder, to constitute a toroidal transformer.Or axially be arranged with the coil that constitutes auto-type transformer on the said hollow cylinder.

The magnetic flux density of the lamination toroidal transformer of present embodiment is bigger, is difficult for heating.

The external diameter of described multi-disc ring-shaped silicon steel sheet 21 is consistent, internal diameter is consistent.

Said ring-shaped silicon steel sheet 21 adopts the selection of quantity, the selection of thickness, the selection of size dimension etc., carries out corresponding selection according to factors such as actual use occasion, watt levels.

The lamination toroidal transformer of present embodiment; Adopt the multi-disc ring-shaped silicon steel sheet to process the iron core of hollow cylinder formula,, be beneficial to the recycling of the leftover pieces of silicon steel sheet because ring-shaped silicon steel sheet is suitable for adopting the leftover pieces of silicon steel sheet to process; Therefore be suitable for practicing thrift related resource, and save production cost.

Obviously, the foregoing description only be for explain clearly that the utility model does for example, and be not to be qualification to the embodiment of the utility model.For the those of ordinary skill in affiliated field, on the basis of above-mentioned explanation, can also make other multi-form variation or change.Here need not also can't give exhaustive to all embodiments.And conspicuous variation that these spirit that belong to the utility model are extended out or change still are among the protection domain of the utility model.

Claims

1. LED lamp affixed to the ceiling; Comprise disc type mount pad (1), it is characterized in that: the bottom surface of this disc type mount pad (1) is provided with toroidal transformer (2), the rectification circuit that links to each other with the low-voltage output of this toroidal transformer (2) and is distributed in a plurality of ultra-bright LEDs (3) that link to each other with the dc voltage output end of said rectification circuit on this disc type mount pad (1) bottom surface;

The sidewall of said disc type mount pad (1) is provided with a plurality of air admission holes (11), is distributed with a plurality of louvres (12) on the bottom surface of this disc type mount pad (1), is distributed with the air discharge duct (13) that is connected with said louvre (12) on the upper surface of said disc type mount pad (1).

2. LED lamp affixed to the ceiling according to claim 1 is characterized in that: the circuit board at said ultra-bright LED (3) place is located on the sunflower radiating rib (4), and this sunflower radiating rib (4) is connected on said disc type mount pad (1) bottom surface.

3. LED lamp affixed to the ceiling according to claim 1; It is characterized in that: said toroidal transformer (2) is stacked toroidal transformer; The iron core of this lamination toroidal transformer builds up a hollow cylinder by multi-disc ring-shaped silicon steel sheet (21) coaxial layer; Axially be arranged with coil on the hollow cylinder, the external diameter of described multi-disc ring-shaped silicon steel sheet (21) is consistent, internal diameter is consistent.