CN201448656U - A LED panel light - Google Patents

Abstract

The utility model provides a dull and stereotyped lamp of LED, includes the light guide plate, locates the LED luminescence unit of both sides around the light guide plate and locate the light guide plate around both sides and with the corresponding heat dissipation section bar of LED luminescence unit, this heat dissipation section bar inboard is equipped with along the T-slot that section bar length direction stretches, the outside is equipped with a plurality of fin, the edge of LED luminescence unit and light guide plate inlays locates T-slot inslot, its characterized in that: the radiating fins extend outwards from bottom to top along the radiating section. The utility model has the advantages of as follows: 1. no ultraviolet light pollution, high luminous efficiency and low power consumption; 2. the light is uniform and soft; 3. the heat dissipation effect is good, so that the service life of the LED light-emitting unit is long; 4. the radiating fins extend outwards from bottom to top along the radiating section bar in an increasing mode, so that the radiating fins are in stepped gradual transition, the radiating fins and gaps between the radiating fins form a decorative surface with a light and shadow effect, the appearance is attractive, the lamp body and the ceiling or the wall surface are in natural transition after the flat lamp is installed on the ceiling or the wall, and the decorative effect is good.

Description

A LED panel light

Technical field:

The utility model relates to an LED panel lamp.

Background technique:

Traditional lighting products generally use light sources such as incandescent lamps, fluorescent lamps, halogen lamps or high-pressure gas discharge lamps as light sources. Such lighting products have the following defects: 1. High power consumption, high heat generation, and no energy saving; 2. Lamp volume It is generally large, takes up space, and the light source is easily broken; 3. There is ultraviolet light pollution, and its stroboscopic light causes serious harm to human eyes; 4. The toxic metal mercury also pollutes and harms the environment; 5. The service life is short , high maintenance cost.

In order to solve the defects of traditional lighting products and develop in the direction of energy saving, environmental protection, safety and health, people have been looking for new alternative light sources, and LED has the advantages of small size, low power consumption, no ultraviolet light pollution and long service life. , are gradually being applied to different LED lighting devices. However, the current LED lighting device has the following defects: 1. Ordinary appearance and poor decorative effect; 2. Poor heat dissipation effect, complex structure, and cumbersome assembly; 3. The overall structure is unstable, and it is easily damaged during packaging and transportation.

Invention content:

The purpose of the utility model is to provide an LED panel lamp with beautiful appearance and good decorative effect.

An LED flat panel lamp, comprising a light guide plate, LED light-emitting units arranged on the front and rear sides of the light guide plate, and heat-dissipating profiles arranged on the front and rear sides of the light-guide plate and corresponding to the LED light-emitting units. The direction extends along the T-shaped slot, and there are several heat sinks on the outside. The edges of the LED light-emitting unit and the light guide plate are embedded in the T-shaped slot. The extension of the increase.

Compared with the prior art, the utility model has the following advantages: 1. The LED light-emitting unit is used to replace the traditional light source, without ultraviolet light pollution, high luminous efficiency and low power consumption; 2. The light emitted by the LED light-emitting unit is emitted from the side of the light guide plate 3. Through the heat dissipation profile, the heat generated by the LED light-emitting unit can be transferred out in time, and the heat dissipation effect is good, so that the LED light-emitting unit can be kept in a suitable temperature range. 4. The cooling fins are extended from bottom to top to the outside along the cooling profile, so that each cooling fin is in a step-by-step transition, and the cooling fins and the gaps between them form a decorative surface with light and shadow effects , Beautiful appearance, the panel light is installed behind the ceiling or wall, the transition between the light body and the ceiling or wall is natural, and the decorative effect is good.

The heel of the uppermost heat sink is docked with the top of the heat dissipation profile, and the heel of the lowermost heat sink is docked with the bottom of the heat dissipation profile. The structure is simple.

The outer edge of each cooling fin and the bottom of the cooling profile are distributed on an arc surface, and each cooling fin has a streamlined arc surface with smooth transition, beautiful appearance and good decorative effect.

The heat sinks are arranged parallel to each other at an inclined angle, and the structure is simple.

The left and right sides of the heat dissipation profile are also provided with connecting and fixing pieces, and the heat dissipating profile is provided with a circular groove extending along the length direction of the profile for screwing in, and the connecting and fixing piece is provided with mounting holes corresponding to the circular groove. It can pass through the mounting hole and screw into the circular groove, so that the heat dissipation profile is firmly installed on the front and rear sides of the light guide plate, and the structure is stable.

The heat dissipation profile is provided with a square groove extending along the length direction of the profile below the circular groove. The square groove is located on one side of the T-shaped groove and communicates with the bottom of the T-shaped groove. The LED light-emitting unit is provided with a square groove. The threaded hole corresponding to the groove, the screw can pass through the threaded hole and screw into the square groove, so as to fix the LED light-emitting unit in the T-shaped groove, which is shock-resistant.

The upper surface of the light guide plate is provided with a pressing plate, and the upper surface of the pressing plate is provided with positioning protrusions on both sides of the edge, and the heat dissipation profile is provided with the positioning protrusions on the upper side wall of the T-shaped notch. The corresponding positioning concave further strengthens the stability of the panel light structure, and the structure is simple.

It also includes end housings arranged on the left and right sides of the light guide plate. A connecting plate is provided at the bottom of the end housing. The connecting groove extends and corresponds to the connecting plate. The connecting plate is inserted into the connecting groove, and the light guide plate is fixed by the cooperation of the end shell and the profile. The structure is simple, the assembly is easy, and the appearance is beautiful.

A positioning frame extending along the length direction of the pressing plate is provided at the central position of the upper surface of the pressing plate, and a positioning block corresponding to the positioning frame is provided on the top of the end housing, and the positioning block is inserted into the positioning frame. The end shells are stably arranged on the left and right sides of the panel light, and the structure is simple.

Description of drawings:

Fig. 1 is the structural representation of the utility model.

Figure 2 is an exploded view of the utility model.

Fig. 3 is a cutaway view of the structure of the utility model.

Fig. 4 is a sectional view of the structure of the heat dissipation profile of the present invention.

Fig. 5 is a schematic diagram of structural assembly of the utility model.

Detailed ways:

As shown in Figure 1, an LED flat panel lamp includes a light guide plate 1 made of PMMA material (polymethyl methacrylate material, commonly known as plexiglass), and LED lights 2 arranged on the front and rear sides of the light guide plate 1. The aluminum substrate 3, the heat dissipation profile 4 made of magnesium-aluminum alloy, which is arranged on the front and rear sides of the light guide plate 1 and corresponding to the aluminum substrate 3, and the end shells 5 arranged on the left and right sides of the light guide plate 1, said The inner side of the heat dissipation profile 4 is provided with a T-shaped groove 41 extending along the length direction of the profile, and a number of heat dissipation fins 42 are provided on the outside of the heat dissipation profile 4. The heat dissipation fins 42 are arranged parallel to each other from top to bottom at an inclined angle. The length of the fins 42 is extended from bottom to top to the outside, and the outer edge of each fin and the bottom of the heat dissipation profile 4 are distributed on an arc surface, and the heel of the uppermost fin and the top of the heat dissipation profile 4 docking, the heel of the lowermost heat sink is docked with the bottom of the heat dissipation profile 4, and the edges of the aluminum substrate 3 and the light guide plate 1 are embedded in the T-shaped groove 41. The bottom of the end shell 5 is set There is a connecting plate 51, the bottom of the heat dissipation profile 4 is provided with a connecting groove 43 extending along the length direction of the profile and corresponding to the connecting plate 51 on the lower side wall 411 of the T-shaped slot, and the connecting plate 51 is inserted into the connecting groove 43 Inside. The left and right sides of the heat dissipation profile 4 are also provided with connecting and fixing pieces 6, and the heat dissipating profile 4 is provided with a round groove 44 extending along the length direction of the profile for screwing in, and the connecting and fixing piece 6 is provided with a round groove 44 The installation hole 61 corresponding to the groove, the screw 7 can pass through the installation hole 61 and screw into the circular groove 44, so that the heat dissipation profile 4 is firmly arranged on the front and rear sides of the light guide plate 1. The heat dissipation profile 4 is provided with a bottom of the circular groove 44 A square groove 45 extending along the length direction of the profile. The square groove 45 is located on the left side of the T-shaped groove 41 and communicates with the bottom of the T-shaped groove 41. The aluminum substrate 3 is provided with a threaded hole corresponding to the square groove 45 , the screw 8 can pass through the threaded hole and screw into the square groove 45, thereby fixing the aluminum substrate 3 in the T-shaped groove 41. The upper surface of the light guide plate 1 is provided with a pressing plate 9, and the pressing plate 9 is placed on the upper surface of the light guide plate 1. Positioning protrusions 91 are provided on both sides of the edge, and the upper side wall 412 of the T-shaped notch of the heat dissipation profile 4 is provided with a positioning groove 46 corresponding to the positioning protrusions 91 to further strengthen the structure of the panel light 1 Stability. The pressure plate 9 is provided with a positioning frame 92 extending along the length direction of the pressure plate at the center of its upper surface, and the top of the end housing 5 is provided with a positioning block 52 corresponding to the positioning frame 92 The positioning block 52 is inserted into the positioning frame 92, so that the end housing 5 is stably arranged on the left and right sides of the panel light 1. The positioning frame 92 is provided with a DC constant current power supply drive 94 electrically connected to the aluminum substrate 3, and the response The speed is fast, and it adopts low-voltage DC power supply, which is safer.

Claims (10)

1. LED flat lamp, comprise LGP, be located at the LED luminescence unit of both sides before and after the LGP and be located at before and after the LGP both sides and with the corresponding heat sink section bar of LED luminescence unit, this heat sink section bar inboard is provided with along the profile length direction along the T-slot of stretching, the outside is provided with some fin, the edge of described LED luminescence unit and LGP is embedded in the T-slot, it is characterized in that: each fin is outwards done the extension of amplification from bottom to top along heat sink section bar.

2. a kind of LED flat lamp according to claim 1 is characterized in that: the heel of a fin of going up most docks with the top of heat sink section bar.

3. a kind of LED flat lamp according to claim 1 is characterized in that: the heel of a fin docks with the bottom of heat sink section bar.

4. according to claim 1 or 2 or 3 described a kind of LED flat lamp, it is characterized in that: the outer rim of each fin and the bottom of heat sink section bar are distributed on the cambered surface.

5. a kind of LED flat lamp according to claim 4 is characterized in that: described each fin is an angle of inclination and is arranged in parallel.

6. a kind of LED flat lamp according to claim 4, it is characterized in that: the left and right sides of described heat sink section bar also is provided with and is connected and fixed sheet, heat sink section bar is provided with the circular groove that screws in along Gong the screw of profile length direction extension, be connected and fixed sheet and be provided with and the corresponding installing hole of circular groove, screw can pass installing hole and screw in circular groove.

7. a kind of LED flat lamp according to claim 6, it is characterized in that: described heat sink section bar is provided with a square groove along the extension of profile length direction in the below of circular groove, this square groove is positioned at a side of T-slot and communicates with the bottom land of T-slot, described LED luminescence unit is provided with and the corresponding screwed hole of square groove, and screw can pass screwed hole and screw in the square groove.

8. a kind of LED flat lamp according to claim 4, it is characterized in that: the upper surface of described LGP is provided with a pressing plate, this pressing plate both sides of edges on surface thereon is provided with positioning convex, and described heat sink section bar is provided with and the corresponding detent of described positioning convex in the upper side wall of T-slot notch.

9. a kind of LED flat lamp according to claim 8, it is characterized in that: also comprise the end housing of being located at the LGP left and right sides, the bottom of this end housing is provided with a plate, the bottom of described heat sink section bar in the lower wall of T-slot notch be provided with along the profile length direction extend and with the corresponding link slot of described connecting plate, connecting plate inserts in the link slot.

10. a kind of LED flat lamp according to claim 9, it is characterized in that: the described pressing plate middle position on surface thereon is provided with a posting along the extension of pressing plate length direction, the top of described end housing is provided with and the corresponding locating piece of described posting, and this locating piece inserts in the posting.

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