CN207407156U - A kind of LED panel light that is easy to be replaced - Google Patents

Abstract

The utility model discloses an L ED panel light that drive was easily changed, including the face ring, L ED lamp area, heat conduction dish, back lid and drive shell, heat conduction dish is installed in the back lid, L ED lamp area is installed on the internal face of heat conduction dish, the face ring is connected fixedly with the back lid front end, the back of fixing at the back lid is connected to the drive shell, install L ED drive circuit board in the drive shell, with L ED drive and lamp body as an organic whole, then L ED drive circuit board and L ED light source board's connecting wire is hidden in the lamp body, be difficult to be dragged and damaged, guarantee the good contact of lamps and lanterns circuit, the face ring is connected fixedly with back lid buckle, the drive shell is connected fixedly with back lid buckle, assembly operation is simple and convenient, can accomplish fast and accomplish the molding elegant appearance after the assembly, can accomplish the dismantlement of drive shell through the rotation drive shell, drive shell dismouting easy and simple operation, make things convenient for L ED drive circuit board's maintenance and change the lamp body, need not.

Description

A kind of LED panel light that is easy to be replaced

technical field

The utility model relates to the field of lamps, in particular to a driven and easily replaceable LED flat panel lamp.

Background technique

LED is called the fourth-generation light source, which has the characteristics of energy saving, environmental protection, safety, long life, low power consumption, low heat, high brightness, waterproof, miniature, shockproof, easy dimming, concentrated beam, easy maintenance, etc., and can be widely used in Various indications, displays, decorations, backlights, general lighting and other fields. LED panel light is a high-end indoor lighting fixture. The light source is LED. The design of the whole lamp is beautiful and simple, and the atmosphere is luxurious. Since the LED is a semiconductor device with sensitive characteristics and has negative temperature characteristics, it needs to be stabilized and protected during the application process, so it is necessary to install an LED driver. The LED driver of the existing LED panel light generally has an external and There are two types of built-in, the external drive cable is easy to be pulled, resulting in poor contact; and the built-in drive needs to be disassembled for replacement or repair when the built-in drive is damaged, which is very troublesome.

Utility model content

The main purpose of the utility model is to provide an LED panel light whose drive is easy to replace.

The utility model proposes an easily replaceable LED flat panel lamp, which includes a face ring, an LED strip, a heat conduction plate, a back cover and a drive shell. The heat conduction plate is installed in the back cover, and the LED light strip is installed in the On the inner wall surface of the heat conduction plate, the face ring is connected and fixed to the front end of the rear cover, the drive housing is connected and fixed to the back of the rear cover, and an LED driver circuit board is installed in the drive housing; A through hole is provided at the position opposite to the bottom of the heat conduction plate and the rear cover, and the drive housing cover is arranged at the position of the through hole; the power cord of the LED light strip extends into the drive through the through hole. Inside the shell, it is electrically connected with the LED driving circuit board;

At least two upper buckles are provided at the lower end of the drive housing, and the upper buckles include an arc-shaped upper plate extending downward from the inner wall of the lower port of the drive housing and an arc-shaped upper plate arranged on the lower end of the drive housing. The protrusions on the outer wall surface, the upper buckle parts are spaced to form a circle; the back of the rear cover protrudes upwards and the lower buckle parts correspond to the upper buckle parts one by one. The lower buckle is arc-shaped, and the distance between them is circular, and it is arranged around the through hole on the back cover; the cross section of the lower buckle is set in an inverted L shape, and the lower buckle and the An arc-shaped groove adapted to the protrusion is formed between the rear covers, and the space between the lower buckles is adapted to the size of the arc-shaped upper plate, and the arc-shaped upper plate is placed on the The gap between the lower buckle parts, and then by rotating, the protrusion on the arc-shaped upper plate slides into the front part of the arc-shaped groove, so that the drive shell and the rear cover are engaged. buckle connection fixed;

The size of the heat conduction plate is smaller than the inner cavity size of the back cover, and there is a gap between the side wall of the heat conduction plate and the side wall of the back cover; There is a protruding bump on the lower side wall of the face ring, which is provided with a clamping hole adapted to the bump. The lower end side wall of the face ring is inserted into the back cover, and the bump is snapped into the corresponding In the card hole, the face ring is connected and fixed with the rear cover.

Preferably, a limit partition is provided in the front part of the arc-shaped groove, the upper end of the rear part of the lower buckle protrudes outwards and a protruding part is provided, and the lower end of the drive housing protrudes downwards An arc-shaped convex plate is formed, and the arc-shaped convex plate is arranged between the two upper buckles. When the protrusion slides into the arc-shaped groove, the arc-shaped convex plate slides to the outer convex The outer side of the piece, the convex piece and the arc-shaped convex plate are pressed against each other.

Preferably, it also includes a diffusion plate, a light guide plate and reflective paper, the reflective paper is covered on the bottom surface of the heat conduction plate, the light guide plate is covered on the reflective paper, the side of the light guide plate is in contact with the The LED light strip is opposite to each other, the diffuser cover is arranged on the light guide plate, and the face ring cover is arranged on the diffuser plate, so that the diffuser plate, the light guide plate and the reflective paper are fixed.

Preferably, the LED light strip is composed of a flexible circuit board and several patch LEDs welded on the flexible circuit board.

The beneficial effect of driving the easily replaceable LED panel light of the utility model is:

The LED panel lamp of the utility model is provided with a driving shell on the back cover, and an LED driving circuit board is installed in the driving shell, and the power cord of the LED light strip extends into the driving shell from the through hole, and is electrically connected with the LED driving circuit board; The shell protects the LED driver circuit board and integrates the LED driver and the lamp body, so the connecting wires between the LED driver circuit board and the LED light source board are hidden in the lamp body, which is not easy to be pulled and damaged, ensuring good contact of the lamp circuit.

The face ring and the back cover are snapped and fixed, and the drive shell and the back cover are snapped and fixed. The assembly operation is simple and can be completed quickly. , no need to disassemble the lamp body.

The LED flat panel light of the utility model can be applied in commercial and exhibition places, hotels, conference rooms, factories, offices, residences, airports, subway stations, schools, hospitals and other public places that require energy saving and high color rendering index.

Description of drawings

Fig. 1 is the structural decomposition diagram of the easy-to-replace LED flat panel lamp driven by the utility model;

Fig. 2 is the three-dimensional view of the easy-to-change LED panel light driven by the utility model;

Fig. 3 is a cross-sectional view of the driving shell, back cover and face ring of the easily replaceable LED flat panel lamp of the present invention;

Fig. 4 is a schematic diagram of the back of the rear cover of the LED flat panel light driven and easily replaced by the utility model.

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 to Fig. 4, an embodiment of the utility model driving easily replaceable LED panel light is proposed:

An LED panel light with easy-to-drive replacement, comprising a face ring 8, an LED light strip 4, a heat conduction plate 3, a back cover 2 and a drive housing 1, the heat conduction plate 3 is installed in the back cover 2, and the LED light strip 4 is installed in the heat conduction plate 3, the face ring 8 is connected and fixed to the front end of the back cover 2, and the driving shell 1 is connected and fixed on the back of the back cover 2, and an LED driver circuit board is installed in the driving shell 1. A through hole is provided at the bottom of the heat conduction plate 3 and the rear cover 2, and the drive housing 1 is covered at the position of the through hole; the power cord of the LED strip 4 extends into the drive housing 1 from the through hole, and is connected with the LED drive circuit board. electrical connection.

The LED light strip 4 is composed of a flexible circuit board and several patch LEDs welded on the flexible circuit board. SMD LED is 2835 lamp beads. The LED drive circuit board is low-voltage constant-current drive, which drives the LED light strip 4 to emit light, which is safer, energy-saving and long-lasting.

The drive shell 1 protects the LED drive circuit board, and integrates the LED drive and the lamp body, so that the connection line between the LED drive circuit board and the LED light source board is hidden in the lamp body, which is not easy to be pulled and damaged, and ensures good contact of the lamp circuit .

At the lower end of the drive housing 1, three upper buckles are arranged, and the upper buckle includes an arc-shaped upper plate 11 extending downward from the inner wall of the lower port of the drive housing 1 and a protrusion arranged on the outer wall surface of the arc-shaped upper plate 11. Block 12, the upper buckle parts are spaced to form a circle around each other. The back of the back cover 2 protrudes upwards and sets the lower buckle parts 21 corresponding to the upper buckle parts one by one. The lower buckle parts 21 are arc-shaped, and the intervals between them form a circle around the through hole on the back cover 2. set up. The cross-section of the lower buckle 21 is arranged in an inverted L shape, and an arc-shaped groove 22 adapted to the protrusion 12 is formed between the lower buckle 21 and the rear cover 2, and the gap 24 between the lower buckle 21 and the The size of the arc-shaped upper plate 11 is adapted. During assembly, the arc-shaped upper plate 11 is placed on the space 24 spaced between the lower buckles 21, and then rotated so that the projection 12 on the arc-shaped upper plate 11 slides into the front section of the arc-shaped groove 22, so that The drive housing 1 and the rear cover 2 are snap-connected and fixed, and the assembly operation between the drive housing 1 and the rear cover 2 is simple and convenient.

In the front part of the arc-shaped groove 22, a limiting partition is arranged to limit the rotation of the protrusion.

The upper end of the rear part of the lower buckle 21 protrudes outwards and is provided with an outer protrusion 23, and the lower end of the drive housing 1 protrudes downwards to form an arc-shaped convex plate 13, which is arranged between the two upper buckles. During this period, when the protrusion 12 slides into the arc groove 22, the arc convex plate 13 slides to the outside of the outer convex piece 23, and the outer convex piece 23 and the arc convex plate 13 are pressed against each other, so that the rear cover 2 and the drive housing 1 Interconnection is tighter.

The disassembly and assembly of the drive housing 1 can be completed by rotating the drive housing 1. The disassembly and assembly of the drive housing 1 is easy and convenient for maintenance and replacement of the LED drive circuit board without disassembling the lamp body.

The size of the heat conducting plate 3 is smaller than the inner cavity of the back cover 2 , and there is a gap between the side walls of the heat conducting plate 3 and the side walls of the back cover 2 . On the inner wall of the back cover 2 are provided with several protruding bumps 25, on the lower end side wall of the face ring 8 is provided with a clamping hole 81 adapted to the bumps 25, the lower end side wall of the face ring 8 is inserted into the back cover 2, the protrusion 25 snaps into the corresponding snap hole 81, so that the face ring 8 is connected and fixed with the back cover 2, and the assembly operation is simple.

A diffuser plate 7, a light guide plate 6 and a reflective paper 5 are installed in the heat conduction plate 3, the reflective paper 5 is covered on the bottom surface of the heat conduction plate 3, the light guide plate 6 is covered on the reflective paper 5, the side of the light guide plate 6 and the LED The light strip 4 is opposite, the diffusion plate 7 is covered on the light guide plate 6, and the face ring 8 is covered on the diffusion plate 7, so that the diffusion plate 7, the light guide plate 6 and the reflective paper 5 are fixed, and the assembly operation is completed in one step.

Ultra-high-brightness SMD LED is used as the light source, and the light emitted by the LED light source board is reflected through the reflective paper 5 to improve the light output rate; the light is irradiated evenly and softly through the optical-grade light guide plate 6 and the diffusion plate 7, truly It achieves energy saving, environmental protection, and no glare.

There are torsion springs installed on both sides of the back cover 2, through which the panel light is embedded in the ceiling wall or the surface of the installation body and integrated, which is very beautiful, tidy and harmonious, and is widely used in office buildings.

The above are only preferred embodiments of the present utility model, and are not therefore limiting the patent scope of the present utility model. All equivalent structural transformations made by using the utility model specification and accompanying drawings are directly or indirectly used in other related technologies. Fields are all included in the scope of patent protection of the utility model in the same way.

Claims (4)

1. a kind of easily changeable LED flat lamp of driving, which is characterized in that including face ring, LED light strip, heat conducting disk, rear cover and driving Shell, the heat conducting disk are mounted in the rear cover, and the LED light strip is mounted on the internal face of the heat conducting disk, the face Ring is connected fixation with the rear cover front end, and the driving cage connection is fixed on the back of the rear cover, in the driving shell LED drive circuit plate is inside installed；Through hole is equipped in the bottom relative position of the heat conducting disk and the rear cover, outside the driving Cap is located on the lead to the hole site；The power cord of the LED light strip is stretched into from the through hole in the driving shell, and described LED drive circuit plate is electrically connected；

Fastener at least two is set in the lower end of the driving shell, and the upper fastener is included from the driving shell The arc upper plate that lower port inner wall is downwardly extending and the convex block being arranged in the arc upper plate outside wall surface, the upper buckle Interval is circular around being formed between part；The back covered in the rear raise up setting with the upper fastener it is one-to-one under Fastener, the lower fastener are arc, between interval it is circular around being formed, the through hole covered after described is set；It is described The cross section of lower fastener is set in inverted L shape, and the arc being adapted to the convex block is formed between the lower fastener and the rear cover Shape slot, the room being spaced between the lower fastener and the size fit of the arc upper plate, the arc upper plate are placed in described On the room being spaced between lower fastener, then by rotation, the convex block on the arc upper plate is made to slip into the arc groove Leading portion portion makes the driving shell snap connection fixation with the rear cover；

The size of the heat conducting disk is less than the interior chamber size of the rear cover, the side wall of the side wall of the heat conducting disk and the rear cover it Between leave gap；The internal face covered in the rear is equipped with the convex block of several protrusions, is equipped in the bottom side of the wall of the face ring The card hole being adapted to the convex block, the bottom side of the wall of the face ring are inserted into the rear cover, and the convex block is caught in corresponding described In card hole, the face ring is made to be connected fixation with the rear cover.

2. the easily changeable LED flat lamp of driving according to claim 1, which is characterized in that in the leading portion of the arc groove /V partition plate is equipped in portion, the upper end outwardly convex in the lower fastener back segment portion is equipped with outer male member, described to drive under shell End is downwardly protrude to form arc protrusive board, and the arc protrusive board is arranged between the two upper fasteners, and the convex block slips into described When in arc groove, the arc protrusive board slides into the outside of the outer male member, and the outer male member is mutually squeezed with the arc protrusive board Pressure.

3. the easily changeable LED flat lamp of driving according to claim 1, which is characterized in that further include diffuser plate, light guide plate And reflective sheeting, the reflective paper cap are located at the bottom surface in the heat conducting disk, the light guide plate lid is located on the reflective sheeting, described The side of light guide plate is opposite with the LED light strip, and the diffuser plate lid is located on the light guide plate, and the face ring lid is located at described On diffuser plate, fix the diffuser plate, the light guide plate and the reflective sheeting.

4. the easily changeable LED flat lamp of driving according to claim 1, which is characterized in that the LED light strip is by flexible electrical Road plate and several paster LEDs being welded on the flexible PCB are formed.