CN201297528Y

CN201297528Y - High-efficiency radiating high-power LED office lamp

Info

Publication number: CN201297528Y
Application number: CNU2008201863037U
Authority: CN
Inventors: 史杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-11-10
Filing date: 2008-11-10
Publication date: 2009-08-26
Anticipated expiration: 2018-11-10

Abstract

The utility model relates to a high-efficiency radiating high-power LED office lamp which belongs to the technical field of semiconductor illumination and comprises a lamp panel, an LED driving control circuit, a reflector, a protective hood, at least one group of LED light source plates, radiating sectional bars and anti-dazzle light grids, wherein the LED driving control circuit and the reflector are fixed on the inner bottom of the lamp panel, the radiating sectional bars are suspended and fixed in the lamp panel, the LED light source plates are mounted on the upper wall of the radiating sectional bars, and the anti-dazzle light grids are respectively arranged at both sides of the radiating sectional bars. The utility model has the advantages of scientific and reasonable structure; the radiating sectional bars are suspended and fixed in the lamp panel, and radiating ribs on the surface are exposed in air to achieve good radiation effect; the LED light source plates are arranged in the lamp panel at a certain inclined angle so that rays emitted by an LED light source can be reflected out of the lamp by the reflector and can be effectively controlled. The utility model has high reflection efficiency and uniform distribution and achieves an ideal illumination effect.

Description

The great power LED office lighting light fixture of high efficiency and heat radiation

Technical field

The utility model discloses a kind of structure of great power LED office lighting light fixture of high efficiency and heat radiation, belong to technical field of semiconductor illumination.

Background technology

In recent years, along with the develop rapidly of lighting engineering industry, light emitting diode (LED) has plurality of advantages such as high brightness, low energy consumption, long service life, environmental protection with it, is widely used in all a plurality of fields of illuminating industry.

But, led light source be applied to room lighting but also seldom, several LED indoor illumination light fittings of the market of circulating at present, its construction design method is still immature, mainly still follows the method for designing of traditional lighting, and many weak points are arranged.

A kind of low-power LED indoor illumination light fitting wherein for example, it is that led light source is arranged in traditional T5, the T8 fluorescent tube, replaces traditional fluorescent tube, this method for designing shortcoming is that its illumination is low, be difficult to satisfy the illumination demand, and be difficult for heat radiation, can not give full play to the advantage of led light source.

A kind of great power LED indoor illumination light fitting wherein for example, it is led light source to be arranged be installed on the lamp body inwall, direct luminous the irradiation outside lamp body of led light source, this method for designing shortcoming is that dazzle is strong, there is translucent mask to protect though increase, can sees still that from the lamp outside brightness is greater than the many light source points of periphery; The led light source radiating effect is undesirable simultaneously, and the heat that led light source sends will loose toward the lamp body back, promptly install in the body of wall of light fixture, cause heat to deposit and can't circulate with outside air in body of wall, and radiating rate is slow.

A kind of great power LED indoor illumination light fitting wherein for example mainly is to adopt the LGP technology that light is reflected outside lamp, and its shortcoming is that cost height, radiating effect are good etc.

The utility model content

The purpose of this utility model is the shortcoming that overcomes on the above-mentioned prior art, a kind of have high efficiency and heat radiation effect, low energy consumption, high stability are provided, long service life, little, the good illumination effect of optical energy attenuation, the while production cost is cheap relatively, the great power LED office lighting light fixture of the simple relatively high efficiency and heat radiation of processing.

The purpose of this utility model realizes by improvements over the prior art, the great power LED office lighting light fixture of high efficiency and heat radiation, comprise lamp panel 1, LED Drive and Control Circuit 2, reflector 3, protective cover 4, at least one group of led light source plate 5 and heat sink section bar 6, anti-dazzle grid 7, it is characterized in that LED Drive and Control Circuit 2 and reflector 3 are fixed in lamp panel 1 inner bottom surface; Heat sink section bar 6 unsettled being fixed in the lamp panel 1, led light source plate 5 is installed on heat sink section bar 6 upper walls; Anti-dazzle grid 7 places heat sink section bar 6 both sides.

Described led light source plate 5 is to be packaged in the heat-conducting substrate by led light source 5-2 to constitute, and its back side fits in heat sink section bar 6 upper walls, is provided with between led light source plate 5 and the heat sink section bar 6 to realize heat conducting heat-conducting medium.

The reflecting surface of reflector 3 for having symmetric arrays, the corresponding one group of led light source plate 5 of each reflecting surface, the reflecting surface of reflector is towards the light fixture outside.

Protective cover 4 is the high light transmittance plastics, connects and fixes with heat sink section bar 6, covers on led light source plate 5 outsides.

Integrated LED light adjusting circuit in the LED Drive and Control Circuit 2.

Anti-dazzle grid 7 is iron plate grid or plastic grill or the light-passing board with anti-dazzle effect, is installed in heat sink section bar 6 both sides.

Be provided with some row lattice-shapeds heat radiation ribs outside the heat sink section bar 6.

The utility model design science, compactness rational in infrastructure is used led light source, has advantages such as efficient, stable, energy-saving and environmental protection.Luminous in lamp body by led light source, the reflector in being installed on lamp body reflects light outside lamp, is equipped with the glare prevention structure of science design, has good anti-dazzle effect.Adopt the downward method for designing in the radiator structure back side, the heat radiation rib at the heat sink section bar back side is exposed in the indoor environment,, and multiple assistive device such as air-conditioning etc. are arranged, efficiently solve the heat dissipation problem of led light source because of indoor temperature stable air circulation is strong.The utility model is used for indoor installation, is applicable to embedded installation, inhales a kind of mounting means in top examination installation or the suspension type installation.Easy to use, can be required according to illuminated field, after removing glare prevention structure, use.

Description of drawings

Fig. 1 is a perspective view of the present utility model;

Fig. 2 is a decomposition texture schematic diagram of the present utility model;

Fig. 3 A is a cross section structure schematic diagram of the present utility model;

Fig. 3 B is the distribution curve flux schematic diagram of the utility model reflector;

Fig. 4 A is a LED radiator structure schematic perspective view of the present utility model;

Fig. 4 B is a LED radiator structure of the present utility model interface schematic diagram;

Fig. 5 A is that the utility model is not with two groups of light source perspective view of glare prevention structure;

Fig. 5 B is that the utility model is not with one group of light source perspective view of glare prevention structure;

Among the figure: 1 lamp panel, 2LED Drive and Control Circuit, 3 reflectors, 4 protective covers, 5LED light source board, 5-1 heat-conducting substrate, 5-2LED light source, 6 heat sink section bars, 7 anti-dazzle grids.

The specific embodiment

Embodiment 1

As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, present embodiment is the LED office lighting light fixture of 60W high-efficiency high-power, be made of installations such as lamp panel 1, LED Drive and Control Circuit 2, reflector 3, protective cover 4, led light source plate 5, heat sink section bar 6, anti-dazzle grid 7 and corresponding mounting structures, LED Drive and Control Circuit 2 and reflector 3 are fixed in lamp panel 1 inner bottom surface; Heat sink section bar 6 unsettled being fixed in the lamp panel 1, led light source plate 5 is installed on heat sink section bar 6 upper walls; Anti-dazzle grid 7 places heat sink section bar 6 both sides.Present embodiment adopts 60 white LED light sources, every LEDs light source 5-2 rated power is 1W, each 15 LEDs light source 5-2 is packaged on 4 heat-conducting substrate 5-1 in proper order, form four blocks of led light source plates 5, led light source 5-2 in the led light source plate 5 is connected in series, and wire structures is arranged in heat-conducting substrate 5-1 surface; Each two blocks of led light source plate 5 correspondence at a certain angle fit in heat sink section bar 6 upper walls, heat sink section bar 6 is anchored in the lamp panel 1 by connector and parallel transverse is arranged, the heat radiation rib on heat sink section bar 6 surfaces is exposed in the air concordant with lamp panel 1 surface, thereby sets up the heat dissipation path of " led light source 5-2 → heat-conducting substrate 5-1 → heat sink section bar 6 → external world ".

As Fig. 2, shown in Figure 3, protective cover 4 inserts in the section bar fixing, covers on led light source plate 5 surfaces, effectively protects led light source and ensures its service life.

As shown in Figure 3, Figure 4, reflector 3 is fixed in lamp panel 1 bottom surface, it is two reflectings surface with symmetric arrays, the corresponding one group of led light source plate 5 of each reflecting surface, the led light source plate places in the lamp panel with certain inclination angle, the reflecting surface side direction light fixture outside of reflector, and for led light source 5-2 provides side according to the formula luminous intensity distribution, whole light fixture has the wing luminous intensity distribution of bat.

As Fig. 2, shown in Figure 3, present embodiment adopts the iron plate grid, it is anti-dazzle grid 7, anti-dazzle grid 7 transversely arranged heat sink section bar 6 both sides of being fixed in, the surface is surperficial concordant with lamp panel 1, and it comprises that multiple row arranges along heat sink section bar 6 directions, and the grid sheet that is provided with perpendicular to heat sink section bar 6, and the grid dish that is connected and fixed all grid sheets, whole grid does not need other assembling process for the block of metal plate passes through stamping-out, bending, punching press straight forming.The moulding rear surface sprays or electroplating processes, makes its surface have higher light reflective.

As Fig. 2, shown in Figure 3, present embodiment is furnished with 2 two of LED Drive and Control Circuit, each 30W, interior integrated LED light adjusting circuit, be installed on both sides in the lamp panel respectively, external power cord connects LED Drive and Control Circuit 2 respectively after entering lamp body, and the lead-out wire on the LED Drive and Control Circuit 2 directly inserts on the led light source plate 5 and gets final product powered lighting.

In the present embodiment, lamp panel 1 and anti-dazzle grid 7 are the metal punching moulding, and heat sink section bar 6 is intensity and heat conductivility good metal aluminium drawing and forming; The base material of heat-conducting substrate 5-1 is the aluminium alloy sheet of high thermal conductivity; Protective cover 4 adopts the high light transmittance plastics to make.

Embodiment 2

Shown in Fig. 5 A, present embodiment is under the prerequisite of embodiment 1, removes the anti-dazzle grid 7 among the embodiment 1, all the other structures and installation method same case get off and implement, present embodiment is intended to increase the light efficiency of light fixture, satisfies the high illumination place of illumination demand, has expanded the scope of application of light fixture.

Embodiment 3

Shown in Fig. 5 B, present embodiment is under the prerequisite of embodiment 2, remove among the embodiment 2 one group of led light source plate 5 and respective drive control circuit 2, heat sink section bar 6 etc., all the other structures and installation method same case get off and implement, present embodiment is intended to expand the scope of application of light fixture, satisfies the demand in specific illumination place.

More than the office lighting light fixture of being set forth among three embodiment be embedded installation, still, the utility model is equally applicable to that ceiling type is installed or suspension type is installed.

Relevant particular procedure, mechanism, manufacturing, material, means, method and step described in above specific embodiment and the relevant drawings are interpreted as illustrating of the present utility model, and should not be construed restriction of the present utility model.

Claims

1, a kind of great power LED office lighting light fixture of high efficiency and heat radiation, comprise lamp panel (1), LED Drive and Control Circuit (2), reflector (3), protective cover (4), at least one group of led light source plate (5) and heat sink section bar (6), anti-dazzle grid (7), it is characterized in that LED Drive and Control Circuit (2) and reflector (3) are fixed in lamp panel (1) inner bottom surface; Heat sink section bar (6) is unsettled to be fixed in the lamp panel (1), and led light source plate (5) is installed on heat sink section bar (6) upper wall; Anti-dazzle grid (7) places heat sink section bar (6) both sides.

2, the great power LED office lighting light fixture of high efficiency and heat radiation as claimed in claim 1, it is characterized in that, led light source plate (5) is to be packaged in the heat-conducting substrate by led light source (5-2) to constitute, its back side fits in heat sink section bar (6) upper wall, is provided with between led light source plate (5) and the heat sink section bar (6) to realize heat conducting heat-conducting medium.

3, the great power LED office lighting light fixture of high efficiency and heat radiation as claimed in claim 1 is characterized in that, the reflecting surface of reflector (3) for having symmetric arrays, and the corresponding one group of led light source plate (5) of each reflecting surface, the reflecting surface of reflector is towards the light fixture outside.

4, the great power LED office lighting light fixture of high efficiency and heat radiation as claimed in claim 1 is characterized in that, protective cover (4) is the high light transmittance plastics, connects and fixes with heat sink section bar (6), covers on led light source plate (5) outside.

5, the great power LED office lighting light fixture of high efficiency and heat radiation as claimed in claim 1 is characterized in that, the interior integrated LED light adjusting circuit of LED Drive and Control Circuit (2).

6, the great power LED office lighting light fixture of high efficiency and heat radiation as claimed in claim 1 is characterized in that, anti-dazzle grid (7) is iron plate grid or plastic grill or the light-passing board with anti-dazzle effect, is installed in heat sink section bar (6) both sides.

7, the great power LED office lighting light fixture of high efficiency and heat radiation as claimed in claim 1 is characterized in that, is provided with some row lattice-shapeds heat radiation ribs outside the heat sink section bar (6).