CN201652085U

CN201652085U - LED ceiling lamp

Info

Publication number: CN201652085U
Application number: CN2010201317815U
Authority: CN
Inventors: 关英扬; 关颖莹
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-03-16
Filing date: 2010-03-16
Publication date: 2010-11-24
Anticipated expiration: 2020-03-16

Abstract

The utility model discloses an LED ceiling lamp, which comprises a lamp shade and a lamp body. The lamp body comprises a lamp housing and a flow guide seat fixed at the back end of the lamp housing; an LED light source group is accommodated in the cavity of the lamp housing and is fixed on the front side of a hot baseplate; the flow guide seat is fixed on the back side of the hot baseplate; a heat dissipation hole is formed at the center of the flow guide seat corresponding to the center of the hot baseplate; a plurality of flow guide grooves are distributed in a scattered manner from the heat dissipation hole to the periphery; and an air hole is formed at the tail part of each flow guide groove. The LED ceiling lamp adopting the structural design has the benefits that heat generated by the LED light source group can be radiated through the flow guide structure of the radiating seat, so as to achieve a good radiating effect, which not only solves the problem of heat radiation of the conventional high-power LED, but also greatly reduces the volumes and the weights of the radiating bodies of lamps with the same power, so that the lamps can be extensively used.

Description

A kind of LED Ceiling light

Technical field

The utility model relates to a kind of Ceiling light, especially a kind of LED Ceiling light.

Background technology

Along with the development of new light sources technology, led light source is low in energy consumption because of it, the extremely market favor of the characteristic of long service life, is applied in lighting field more and more widely.Though led light source has the incomparable advantage of conventional light source, but the thing followed is how to solve this light source heating and heat dissipation problem in use, especially for the high-power LED light source, its heating problem is especially outstanding, has badly influenced the application of high-power LED light source.

Traditional led light source is to rely on the fin heat radiation, its radiating effect depends on the heat conductivility and the area of dissipation of radiator, when the power of led light source is big more, the volume of radiator is also big more, and radiator adopts the multiple-blade structure to quicken heat radiation to increase area of dissipation simultaneously.There is the problem of several aspects in passive heat radiation like this: 1, the radiator volume is excessive, can not be adapted to the less light fixture of installing space; 2, led light source radiator edge heat distributes soon, and the middle part is difficult for heat radiation, produces heat and concentrates, and when temperature is elevated to a certain degree, easily causes the light source decay, brightness deterioration, even damage; 3, the radiator volume is big, has strengthened the weight of whole lamp body, is unfavorable for hanging and is installed in the sky taking.

Summary of the invention

In order to overcome the deficiencies in the prior art, the utility model provides that a kind of compact conformation, volume are little, the LED Ceiling light of good heat dissipation effect.

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

A kind of LED Ceiling light, comprise lampshade and lamp body, described lamp body comprises lamp housing and is fixed on the diversion seat of lamp housing rear end, be equipped with the led light source group in the cavity that described lamp housing and diversion seat form, described led light source group is fixed on the hot substrate front, and described hot substrate is fixed on the diversion seat, and the diversion seat center corresponding with described hot substrate center is provided with louvre, be divergent shape from this louvre to periphery and be distributed with a plurality of diversion grooves, each diversion groove afterbody is provided with pore.

As improvement of the technical scheme, the cross section of described diversion groove changes: cross section, nearly louvre place diminishes gradually near the stage casing greatly, becomes big again gradually near the afterbody pore.

As further improvement in the technical proposal, described lamp body diversion seat rear portion is fixedly connected with the electrical equipment box, in the described electrical equipment box power drives assembly is housed, and the louvre at described diversion seat center communicates with passage on the electrical equipment box.

The beneficial effects of the utility model are: the utility model led light source group is fixed on the hot substrate front, hot substrate is fixed on the diversion seat, the design of the flow-guiding structure of diversion seat make heat that the led light source group produces can be fast flow-guiding structure by diversion seat loose, good heat dissipation effect, not only solved the heat dissipation problem of existing great power LED, and the light fixture of same power, the volume of radiator dwindles greatly, weight saving, the scope of application of light fixture is more wide.

Description of drawings

Following accompanying drawing further specifies the utility model.

Fig. 1 is a stereogram of the present utility model;

Fig. 2 is a cutaway view of the present utility model;

Fig. 3 is a broken away view of the present utility model;

Fig. 4 is the stereogram of diversion seat.

The specific embodiment

With reference to Fig. 1～Fig. 4, a kind of LED Ceiling light comprises lampshade 1 and lamp body 2, and described lamp body 2 comprises lamp housing 21 and be fixedly connected on the diversion seat 22 of lamp housing rear end that its connected mode can be to be threaded, and also can be that modes such as draw-in groove connect.Be equipped with led light source group 3 in the cavity that described lamp housing 21 and diversion seat 22 form, described led light source group 3 is fixed on hot substrate 4 fronts, described hot substrate 4 is fixed on the diversion seat 22, diversion seat 22 centers corresponding with described hot substrate 4 centers are provided with louvre 223, be divergent shape from this louvre 223 to periphery and be distributed with a plurality of diversion grooves 221, each diversion groove afterbody is provided with pore 222.Hot substrate of the present utility model and diversion seat are answered the material of good heat conductivity such as aluminium, steel, pottery.

Adopt the flow-guiding structure design of diversion seat 22 of the present utility model, when led light source group 3 adstante febres, hot substrate 4 temperature raise, and edge's heat distributes soon, and the middle part is difficult for heat radiation, thereby the formation temperature difference, the negative pressure that this temperature difference produces sucks the pore 222 of cold airflow from fluted tail, flows to center louvre 223 through guiding gutter 221, arrives the center temperature and edges up, cold airflow constantly replenishes into from afterbody pore 222, constantly discharges from centre bore 223 thereby promote thermal current.Air-flow constantly flows in flow-guiding channel in the entire heat dissipation process; form an air conducting system; become passive heat radiation and be active heat removal; constantly take away the heat of hot substrate; radiating efficiency improves greatly; the temperature of led light source group also is unlikely to rise too high, thereby helps protecting light source, increases the service life.When the power of led light source group is big more, this temperature difference is just big more, also helps forming flow conductance more, and the raising of radiating efficiency is obvious more.

In the present embodiment, a plurality of guiding gutters 221 adopt M shape to disperse distribution.In order to realize best water conservancy diversion effect, can be what change with the Cross section Design of diversion groove 221: cross section, caudad pore 222 place be big, diminish gradually near the stage casing, become big again gradually near louvre 223 places, center, promptly form an air-flow guiding channel, air-flow is drained from center louvre 223 from diversion seat afterbody pore 222 drainages to guiding gutter 221 again.Certainly; can also adopt other forms of flow-guiding channel design; the cited form of present embodiment can not be as the restriction to the utility model protection domain, everyly realizes the purpose of this utility model and technique effect with essentially identical structure, all should belong to protection domain of the present utility model.

In order to make structure compact, easier for installation more, can be at the fixedly connected electrical equipment box 3 in diversion seat 22 rear portions, electrical equipment box 3 internal electric source driven units, simultaneously, on the box body 32 of electrical equipment box 3 and tray cover 33, passage 31 is set, makes it to communicate with the louvre 223 at diversion seat center.This electrical equipment box 3 can pass through the fixedly connected diversion seat 22 of screw, also can both be connected by other modes.

The utility model led light source group is fixed on the hot substrate front, the hot substrate back side is fixed with diversion seat, the design of the flow-guiding structure of diversion seat make heat that the led light source group produces can be fast flow-guiding structure by radiating seat loose, good heat dissipation effect, not only solved the heat dissipation problem of existing great power LED, and the light fixture of same power, the volume of radiator dwindles greatly, weight saving, the scope of application of light fixture is more wide.

Claims

1. LED Ceiling light, comprise lampshade (1) and lamp body (2), it is characterized in that: described lamp body (2) comprises lamp housing (21) and is fixed on diversion seat (22) on the lamp housing, be equipped with led light source group (3) in the cavity that described lamp housing (21) and diversion seat (22) form, described led light source group (3) is fixed on hot substrate (4) front, described hot substrate (4) is fixed on the diversion seat (22), diversion seat (22) center corresponding with described hot substrate (4) center is provided with louvre (223), be divergent shape from this louvre (223) to periphery and be distributed with a plurality of diversion grooves (221), each diversion groove afterbody is provided with pore (222).

2. LED Ceiling light according to claim 1 is characterized in that: the distribution of described a plurality of diversion grooves (221) is M shape.

3. LED Ceiling light according to claim 1 and 2 is characterized in that: the cross section of described diversion groove (221) changes: nearly louvre (223) is located the cross section greatly, diminishes gradually near the stage casing, becomes big again gradually near afterbody pore (222).

4. LED Ceiling light according to claim 1 and 2, it is characterized in that: described lamp body diversion seat (22) rear portion is fixedly connected with electrical equipment box (3), in the described electrical equipment box (3) the power drives assembly is housed, the louvre (223) at described diversion seat (22) center communicates with passage (31) on the electrical equipment box (3).

5. LED Ceiling light according to claim 4 is characterized in that: described electrical equipment box (3) comprises box body (32) and tray cover (33), and described box body (32) center and tray cover (33) are provided with a plurality of passages (31).

6. LED Ceiling light according to claim 4 is characterized in that: described diversion seat (22) is fixedlyed connected by screw with electrical equipment box (3).