CN209026609U - a flat light - Google Patents

Abstract

The utility model discloses a flat panel lamp, which comprises a frame assembly, a crossbeam structure, and a lamp body structure arranged inside the frame assembly. One end of the crossbeam structure is connected to one side of the frame assembly, and the other end of the crossbeam structure is connected to the other side of the frame assembly. By providing the crossbeam structure, the overall structural strength of the flat panel lamp can be increased, the deformation of the flat panel lamp caused by its own weight can be effectively reduced, the structural disintegration of the flat panel lamp can be effectively avoided, and the problem that the flat panel lamp cannot be made into an oversized size is solved.

Description

a flat light

technical field

The utility model relates to a flat panel lamp.

Background technique

A flat panel light is a lighting fixture with a smaller overall thickness. Generally, a flat panel light consists of a frame and a plate-shaped lamp body. The frame surrounds the lamp body, and only the edge of the lamp body is connected to the frame. In the prior art, when the flat panel lamp is installed and used, it is easy to cause deformation of the panel lamp due to the influence of its own weight, and even lead to the disintegration of the structure. The structural strength of the flat panel lamp itself is insufficient, and it is difficult to support its large weight. Therefore, it is necessary to control the size of the panel lamp, which makes it difficult for the panel lamp to achieve super-large size, which limits the application of the panel lamp.

Utility model content

The utility model provides a flat light, which is used to solve the problem of insufficient structural strength of the flat light.

The technical scheme adopted by the utility model to solve its technical problems is:

A flat panel lamp includes a frame assembly and a lamp body structure arranged inside the frame assembly, and also includes a beam structure, one end of the beam structure is connected to one side of the frame assembly, and the other end of the beam structure is connected to the frame assembly. The other side.

Preferably, the beam structure includes a support beam and an adapter connected to the end of the support beam, and the adapter is connected to the frame assembly.

Preferably, the end of the support beam has a slot that is adapted to the adapter, and the adapter is inserted into the slot.

Preferably, one of the adapter and the frame assembly is provided with a card slot, and the other of the adapter and the frame assembly is provided with a snap portion corresponding to the card slot, the The clamping part is clamped in the clamping slot.

Preferably, the lamp body structure includes a diffuser plate, a light guide plate, a substrate and LED lamp beads arranged on the substrate, the diffuser plate is arranged on the frame assembly, the light guide plate is located above the diffuser plate, the The base plate is arranged on the side of the light guide plate.

Preferably, the frame assembly has a pallet extending below the diffuser plate, and the bottom surface of the diffuser plate is in contact with the top surface of the pallet.

Preferably, a groove is provided on the top of the pallet, and an adhesive layer is provided in the groove.

Preferably, the lamp body structure further includes a back plate located above the light guide plate, and the back plate is connected to the frame assembly through a second fastener.

Preferably, the frame assembly has a first boss and a second boss outside the first boss, and there is a distance between the first boss and the second boss An installation groove is formed between the bosses, the second fastener is arranged in the installation groove, and the base plate is attached to the side wall of the first boss.

Preferably, a positioning groove is provided on the first boss or the pallet, and the substrate is inserted into the positioning groove.

The beneficial effects of the present utility model are: in the present utility model, by arranging the beam structure, the overall structural strength of the flat panel light can be increased, the deformation of the flat panel light due to its own weight can be effectively reduced, the structural disintegration of the flat panel light can be effectively avoided, and the solution to the problem is solved. Flat lights can't do oversized problems.

Description of drawings

Below in conjunction with accompanying drawing and embodiment, the utility model is further described:

Fig. 1 is the top view of the utility model after removing the lamp body structure;

Fig. 2 is the sectional view of the present utility model;

Figure 3 is an exploded view of the beam structure;

Figure 4 is a sectional view of the adapter;

5 is a cross-sectional view of a support beam;

Figure 6 is a cross-sectional view of a profile frame;

Figure 7 is another cross-sectional view of the profile frame.

Detailed ways

1 to 7 , the present invention is a flat panel lamp, which includes a frame assembly, a beam structure 3 and a lamp body structure disposed inside the frame assembly. One end of the beam structure 3 is connected to one side of the frame assembly, and the other end of the beam structure 3 is connected to the other side of the frame assembly.

Specifically, the beam structure 3 includes a support beam 31 and an adapter 33 connected to the end of the support beam 31 through a first fastener 32 , and the adapter 33 is connected to the frame assembly. The support beam 31 can be cut to length from a profile, and then the two ends of the support beam 31 are connected with adapters 33, so as to be suitable for flat panel lights of different sizes, making the production more flexible. The first fastener 32 can be a screw, a pin or a rivet or the like. When the frame assembly is deformed by force, the beam structure 3 exerts a tensile force on the frame assembly to reduce the deformation of the frame assembly and avoid the disintegration of the flat panel lamp.

The end of the support beam 31 has a slot 311 which is adapted to the adapter 33, and the adapter 33 is inserted into the slot 311, which is convenient for alignment and positioning between the support beam 31 and the adapter 33, It is also possible to reduce the stress on the first fastener 32 to avoid deformation and damage of the first fastener 32 . A reinforcing rib 313 is also provided on the support beam 31 to increase the structural strength of the support beam 31 .

Hanging holes 312 are provided on the beam structure 3 so that the flat panel light can be used as a wall-mounted light fixture. Due to the existence of the beam structure 3, the strength of the flat panel light can be ensured when it is mounted on the wall. In addition, the hanging hole 312 can also be used when the flat panel lamp is installed in the ceiling.

One of the adapter 33 and the frame assembly is provided with a card slot 1111 , and the other of the adapter 33 and the frame assembly is provided with a click portion 331 corresponding to the card slot 1111 , and the click portion 331 It is clamped in the card slot 1111 so that the adapter 33 can be connected to the frame assembly. When the flat panel light is installed and used, under the influence of its own gravity, the side wall of the clamping portion 331 will abut with the inner side wall of the clamping slot 1111, and the side wall of the clamping portion 331 will have a certain degree of contact with the inner side wall of the clamping slot 1111. The frictional resistance can limit the sliding of the clamping portion 331 along the clamping slot 1111 , thereby avoiding the relative sliding between the support beam 31 and the frame assembly.

Of course, additional structures such as screws or rivets may also be provided to position the engaging portion 331 in the engaging slot 1111 . Alternatively, the adapter 33 is only connected to the frame assembly through structures such as screws or rivets.

In addition, the connection between the support beam 31 and the adapter 33 can also adopt the same or similar structure as the clamping portion 331 and the clamping slot 1111 . Alternatively, a mounting plate is provided, one side of the mounting plate is connected to the support beam 31 by screws or rivets, and the other side of the mounting plate is connected to the adapter 33 by screws or rivets.

The frame assembly includes a plurality of profile frames 11 , which are connected end to end in sequence and form a ring around the lamp body. Any two adjacent profile frames 11 are connected by a connection structure. Specifically, the connection structure includes a connector 121 and a third fastener 122. The ends of the profile frames 11 are provided with insertion slots 123. One end is inserted into the insertion slot 123 on one of the profile frames 11 , the other end of the connector 121 is inserted into the insertion slot 123 on the other profile frame 11 , and the third fastener 122 locks the connector 121 to the slot 123 . on the profile frame 11. In addition, the insertion slot 123 may not be provided, and the connector 121 may be directly provided on the outer side of the profile frame 11 . The third fastener 122 may be a screw or a rivet or the like.

In addition, for two adjacent profile frames 11, a slot can be directly provided on one of the profile frames 11, and a plug-in portion can be provided on the other profile frame 11, and the plug-in portion is inserted in the groove and passed through the third The fastener 122 locks the socket in the slot.

Decorative grooves 118 are arranged at the bottom and the outer side of the profile frame 11 to make it more beautiful and decorative.

The outer side of the frame assembly has a connection table 111 , the aforementioned insertion slot 123 is disposed on the connection table 111 , and the end of the beam structure 3 is also connected to the connection table 111 to increase the structural strength of the frame assembly.

The lamp body structure includes a diffuser plate 21, a light guide plate 22, a substrate 23 and LED lamp beads 24 arranged on the substrate 23. The diffuser plate 21 is arranged on the frame assembly, the light guide plate 22 is located above the diffuser plate 21, and the substrate 23 is arranged on the guide plate. The side of the light plate 22 .

The frame assembly has a bracket 112 extending below the diffuser plate 21 , and the bottom surface of the diffuser plate 21 abuts against the top surface of the bracket 112 to support the diffuser plate 21 .

A groove 1121 is provided on the top of the pallet 112, and an adhesive layer is provided in the groove 1121. The adhesive layer can adhere the pallet 112 and the diffuser plate 21 together. When the diffuser plate 21 sags, a force toward the frame assembly can be applied to the diffuser plate 21 through the adhesive layer, thereby reducing the amount of the diffuser plate 21 and the light guide plate. The sagging deformation of 22 prevents the diffusion plate 21 and the light guide plate 22 from sagging and sliding out of the frame assembly. The adhesive layer can be made of double-sided tape. Of course, the adhesive layer can also be made of adhesive filled in the groove 1121 .

The lamp body structure further includes a back plate 25 located above the light guide plate 22 , and the back plate 25 is connected with the frame assembly through the second fastener 4 . The second fastener 4 may adopt a structure such as a screw or a rivet.

Referring to FIG. 2 , a backing plate 26 is further provided between the back plate 25 and the light guide plate 22 . The light guide plate 22 and the diffuser plate 21 can be pressed tightly by the cooperation of the back plate 25 and the pallet 112 . When the light guide plate 22 and the diffuser plate 21 are deformed and drooped by their own gravity, the light guide plate 22 and the diffuser plate 21 can be pressed toward the periphery of the light guide plate 22 and the diffuser plate 21 . Tighten to solve the problem of flat panel lights sagging. The backing plate 26 can ensure that the back plate 25 bears uniform force on the light guide plate 22 and compensates the deformation of the back plate 25 itself. At the same time, the backing plate 26 can also fill the gap.

Specifically, the frame assembly has a first boss 113 and a second boss 114 located outside the first boss 113. There is a distance between the first boss 113 and the second boss 114 so that the first boss 113 and the second boss 114 are spaced apart. An installation groove 115 is formed between the second bosses 114 , the second fastener 4 is arranged in the installation groove 115 , and the base plate 23 is attached to the side wall of the first boss 113 . With this structure, the back plate 25 can be installed, and can also be used as a heat dissipation structure of the base plate 23, so as to improve the heat dissipation performance of the flat panel lamp, and it is not necessary to provide a heat dissipation structure specially for heat dissipation. In addition, there is a distance between the second boss 114 and the side wall of the connection table 111 , thereby forming a heat dissipation gap 117 to further optimize the heat dissipation effect.

The profile frame 11 constituting the frame assembly can be directly formed by extrusion, and there is no need to specially provide structures such as screw holes or rivet holes for installing the second fastener 4 .

After the back plate 25 is installed, the back plate 25 can shield the first boss 113 and the second boss 114 to avoid light leakage.

The pallet 112 is provided with a positioning groove 116 , and the substrate 23 is inserted into the positioning groove 116 , so that the substrate 23 can be positioned. Specifically, the top of the bracket 112 has a first positioning boss 1122 extending to the side of the diffuser plate 21, and a side surface of the first positioning boss 1122 is in contact with the side surface of the diffuser plate 21, so that the diffuser plate 21 can be positioned. There is a distance between the other side surface of the first positioning boss 1122 and the first boss 113 , so that the aforementioned positioning groove 116 is formed, which can greatly simplify the structure of the frame assembly. In addition, the top surface of the pallet 112 can also be concave to form the aforementioned positioning groove 116 .

Referring to FIG. 7 , as another embodiment of the frame assembly, a second positioning boss 1131 can also be provided on the side wall of the first boss 113 , and the side wall of the second positioning boss 1131 and the first boss 113 There is a space between the side walls to form the aforementioned positioning grooves 116 . At the same time, the diffuser plate 21 abuts against the second positioning boss 1131 .

In addition, the substrate 23 can also be adhered to the frame assembly or screwed to the frame assembly.

A reflective layer or a reflective film 27 is provided on the top surface of the light guide plate 22, so that more light is projected downward and the brightness of the flat panel lamp is improved. In addition, the structure can also increase the brightness of the middle of the flat panel lamp, so that the light of the panel lamp is more uniform.

In addition, the description of the directionality involved in this document is based on the state shown in FIG. 2 , which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that The structure must have a specific orientation, be constructed and operate in a specific orientation, and therefore should not be construed as a limitation of the present invention.

The above-mentioned embodiments are only the preferred solutions of the present invention, and the present invention may also have other embodiments. The above-mentioned technical features can be combined, as long as the combination can be realized. Those skilled in the art can also make equivalent modifications or substitutions without departing from the spirit of the present invention, and these equivalent modifications or substitutions are all included within the scope set by the claims of the present application.

Claims (8)

1. A flat panel lamp, comprising a frame assembly and a lamp body structure arranged on the inner side of the frame assembly, characterized in that, also comprising a beam structure (3), one end of the beam structure (3) is connected to one side of the frame assembly, The other end of the beam structure (3) is connected to the other side of the frame assembly; The cross beam structure (3) includes a support beam (31) and an adapter (33) connected to the end of the support beam (31) through a first fastener (32), and the adapter (33) is connected to the Frame assembly, the end of the support beam (31) is provided with a slot (311) adapted to an adapter (33), and the adapter (33) is inserted into the slot (311) . 2 . The flat panel lamp according to claim 1 , wherein a card slot ( 1111 ) is provided on one of the adapter ( 33 ) and the frame assembly, and the adapter ( 33 ) The other one of the frame assembly and the frame assembly is provided with a clamping part (331) corresponding to the card slot (1111), and the clamping part (331) is clamped in the card slot (1111). 3 . The flat panel lamp according to claim 1 , wherein the lamp body structure comprises a diffuser plate ( 21 ), a light guide plate ( 22 ), a base plate ( 23 ) and LEDs arranged on the base plate ( 23 ). 4 . Lamp beads (24), the diffuser plate (21) is arranged on the frame assembly, the light guide plate (22) is located above the diffuser plate (21), and the substrate (23) is arranged on the light guide plate (22) side. 4 . The flat panel lamp according to claim 3 , wherein the frame assembly is provided with a bracket ( 112 ) extending below the diffuser plate ( 21 ), and the bottom surface of the diffuser plate ( 21 ) is in contact with the bracket. 5 . The top surfaces of the tables (112) abut against each other. 5 . The flat panel lamp according to claim 4 , wherein a groove ( 1121 ) is provided on the top of the bracket ( 112 ), and an adhesive layer is provided in the groove ( 1121 ). 6 . 6 . The flat panel lamp according to claim 4 , wherein the lamp body structure further comprises a back plate ( 25 ) located above the light guide plate ( 22 ), the back plate ( 25 ) passing through the second tightening plate ( 25 ) The firmware (4) is connected with the frame assembly. 7. The flat panel lamp according to claim 6, wherein the frame assembly has a first boss (113) and a second boss (114) located outside the first boss (113), There is a distance between the first boss (113) and the second boss (114) to form a mounting groove (115) between the first boss (113) and the second boss (114), and the first boss (113) and the second boss (114) have a space between them. The two fasteners (4) are arranged in the installation groove (115), and the base plate (23) is attached to the side wall of the first boss (113). 8 . The flat panel lamp according to claim 7 , characterized in that: a positioning groove ( 116 ) is provided on the first boss ( 113 ) or the bracket ( 112 ), and the base plate ( 23 ) is inserted into in the positioning groove (116).