CN211060049U - Light source fixing structure and panel lamp - Google Patents

Abstract

The utility model provides a light source fixing structure and a panel lamp, wherein the panel lamp is provided with a frame and a light guide plate arranged in the frame, and the light source fixing structure comprises a light source component and a fixing component; the light source component comprises a substrate and a plurality of light sources; the fixing piece is arranged between one side edge of the light guide plate and the inner side surface of the frame and comprises a bottom plate and two side plates, each side plate comprises a supporting section, a bending section and a clamping section, the supporting section is formed by extending outwards from the edge of the bottom plate towards the other opposite side edge of the light guide plate, the clamping section is bent inwards for at least 180 degrees relative to the supporting section, and two ends of the bending section are respectively connected with the supporting section and the clamping section; the two opposite clamping sections form a clamping part facing the opening of the light guide plate, and the clamping part is clamped at the edge of the side edge of the light guide plate; the light source assembly is arranged in the installation cavity formed by enclosing the bottom plate and the two side plates, and the light emitting surface of the light source is right opposite to the side surface of the light guide plate. The technical scheme of the utility model the upper and lower dislocation problem of light source and light guide plate can effectively be solved.

Description

Light source fixing structure and panel lamp

Technical Field

The utility model belongs to the technical field of lamps and lanterns, especially, relate to a light source fixed knot constructs and panel light.

Background

At present, a common panel light in the market is assembled by an aluminum frame, a diffusion plate, a light guide plate, a light source assembly, light guide paper, a filling pad, a back plate, a driving set and the like. Wherein, the back accessible double-sided sticky subsides of light source subassembly are in the both sides of aluminium frame, and light guide plate thickness all is greater than the thickness of light source. However, in the actual assembly process, due to the gap, the vertical offset, and other reasons between the light emitting surface of the assembled light source and the side surface of the light guide plate, the whole lamp has yellow edges, bright edges, and other phenomena after assembly, which makes the panel lamp need to be adjusted or repaired, resulting in low yield and assembly efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art not enough, provide a light source fixed knot constructs, its upper and lower dislocation problem that aims at solving the light source of current panel light and light guide plate.

The utility model provides a light source fixed knot constructs for the panel light, the panel light has the frame and installs light guide plate in the frame, light source fixed knot constructs and includes:

the light source assembly comprises a substrate and a plurality of light sources fixedly arranged on the substrate; and the number of the first and second groups,

the fixing piece is arranged between one side edge of the light guide plate and the inner side face of the frame of the corresponding side, and comprises a bottom plate and two side plates which are respectively connected with two opposite edges of the bottom plate, each side plate comprises a supporting section, a bending section and a clamping section, the supporting section is formed by extending outwards from the edge of the bottom plate towards the other opposite side edge of the light guide plate, the clamping section is bent inwards for at least 180 degrees relative to the supporting section, and two ends of the bending section are respectively connected with the supporting section and the clamping section; the two opposite clamping sections form a clamping part facing the opening of the light guide plate, and the clamping part is clamped at the edge of the side edge of the light guide plate; the light source assembly is arranged in an installation cavity formed by enclosing the bottom plate and the two side plates, and the light emitting surface of the light source is right opposite to the side surface of the light guide plate.

Optionally, the supporting section and the clamping section are both parallel to the surface of the light guide plate on the corresponding side, and the two opposite clamping sections are elastically abutted to the upper surface and the lower surface of the light guide plate respectively.

Optionally, the side plate further comprises a guide section, and the guide section is formed by extending from the free end of the clamping section in an outward inclined manner towards the direction of the bottom plate.

Optionally, the extension length of the clamping section on the light guide plate ranges from 2mm to 3 mm.

Optionally, the side plates are integrally formed with the bottom plate.

Optionally, the section of the bending section is arc-shaped, and the joints of the bending section and the supporting section and the clamping section are in arc transition.

Optionally, the opposite inner side surfaces of the two opposite clamping sections are convexly provided with a convex rib, and the convex rib is elastically abutted to the plate surface of the light guide plate.

Optionally, a thickness of the light guide plate is a, a width of a light emitting surface of the light source in a thickness direction of the light guide plate is B, and a ratio of a to B ranges from 1 to 1.5.

Optionally, an elastic member is arranged on an outer side surface of the bottom plate, which faces away from the light guide plate, and a plurality of supporting members are arranged on the base plate in a protruding manner.

The utility model discloses still provide a panel light, this panel light includes as before light source fixed knot construct.

Based on this structural design, in the technical scheme of the utility model, because light source subassembly location is installed in the mounting, the mounting can be through the clamping part centre gripping that two clamping sections formed at the side edge of light guide plate, and the play plain noodles of light source is just to the side face of light guide plate, so this scheme accessible mounting centre gripping is at the light guide plate edge, make the side face of light guide plate be the income plain noodles and the position between the play plain noodles of light source relatively fixed, thus, just can effectively guarantee that the light guide plate side face after the equipment is parallel with the play plain noodles of light source, it is more convenient not only to assemble, and can make the play plain noodles of light source and light guide plate counterpoint more accurately, effectively reduced dislocation phenomenon from top to bottom of light guide plate and light source, the yields and. Simultaneously, because the curb plate of mounting is including supporting the section, bending segment and clamping segment, and the clamping segment is inwards buckled at least 180 degrees to the section of supporting relatively, so the mounting is more non-deformable, and support section and clamping segment can realize dual clamping-action moreover to make the clamping-force of clamping part lasting more and the centre gripping dynamics distribute more evenly, and then make light source fixed knot construct difficult from the light guide plate side and drop, and can effectively reduce the harm to the light guide plate when the mounting centre gripping.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a panel lamp according to an embodiment of the present invention;

fig. 2 is an exploded view of a panel lamp according to an embodiment of the present invention;

FIG. 3 is an enlarged schematic view at A in FIG. 2;

fig. 4 is a schematic view of a partial structure of a panel light provided by an embodiment of the present invention after removing a frame on one side;

fig. 5 is a schematic view of a portion of a panel lamp according to another embodiment of the present invention, after a frame on one side of the panel lamp is removed.

The reference numbers illustrate:

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It should be noted that the terms of left, right, upper and lower directions in the embodiments of the present invention are only relative concepts or are referred to the normal use state of the product, and should not be considered as limiting.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner" and "outer" indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The embodiment of the utility model provides a light source fixed knot constructs and has this light source fixed knot structure's panel light.

Referring to fig. 3 and 4, in an embodiment, the light source fixing structure 300 is used for a panel lamp 10, the panel lamp 10 has a frame 100 and a light guide plate 200 installed in the frame 100, and the light source fixing structure 300 includes a light source assembly 310 and a fixing member 320. The light source assembly 310 includes a substrate 311 and a plurality of light sources 312 fixedly disposed on the substrate 311; the fixing member 320 is disposed between one side of the light guide plate 200 and the inner side of the frame 100 corresponding to the side, and includes a bottom plate 321 and two side plates 322 connected to two opposite edges of the bottom plate 321, each side plate 322 includes a supporting section 322e, a bending section 322a and a clamping section 322b, the supporting section 322e extends outwards from the edge of the bottom plate 321 toward the other opposite side of the light guide plate 200, the clamping section 322b bends inwards for at least 180 degrees relative to the supporting section 322e, and two ends of the bending section 322a are connected to the supporting section 322e and the clamping section 322b respectively; the two opposite clamping sections 322b form a clamping portion having an opening facing the light guide plate 200, and the clamping portion is clamped at the side edge of the light guide plate 200; the light source module 310 is disposed in a mounting cavity 324 surrounded by the bottom plate 321 and the two side plates 322, and a light emitting surface of the light source 312 faces a side surface of the light guide plate 200.

Based on this structural design, in the technical scheme of the utility model, because light source subassembly 310 location is installed in mounting 320, mounting 320 can be through the clamping part centre gripping that two clamping sections 322b formed at the side edge of light guide plate 200, and the play plain noodles of light source 312 is just to the side face of light guide plate 200, so this scheme accessible mounting 320 centre gripping is at the light guide plate 200 edge, make the side face of light guide plate 200 be the position of going into between the plain noodles of plain noodles and light source 312 promptly, thus, just can effectively guarantee that the light guide plate 200 side face after the equipment is parallel with the play plain noodles of light source 312, not only the equipment is more convenient, and can make the play plain noodles of light source 312 more accurate with the counterpoint of light guide plate 200, effectively reduced light guide plate 200 and light source 312 dislocation phenomenon from top to bottom, the yields and the production efficiency of whole. Meanwhile, since the side plate 322 of the fixing member 320 includes the supporting section 322e, the bending section 322a and the clamping section 322b, and the clamping section 322b is bent inward by at least 180 degrees relative to the supporting section 322e, the fixing member 320 is more resistant to deformation, and the supporting section 322e and the clamping section 322b can achieve dual clamping effects, so that the clamping force of the clamping portion is more durable and the clamping force distribution is more uniform, and further the light source fixing structure 300 is not easy to fall off from the side of the light guide plate 200, and the damage to the light guide plate 200 during clamping of the fixing member 320 can be effectively reduced.

In addition, in the conventional panel light 10, in order to ensure the accurate alignment between the light guide plate 200 and the light source 312, the thickness of the light guide plate 200 is usually designed to be greater than L ED light source 312, for example, the thickness of the light guide plate 200 is usually designed to be between 1.8mm to 2.0 mm.

It should be noted that, as shown in fig. 1 and fig. 2, the panel light 10 to which the light source fixing structure 300 is applied generally includes a frame 100, a diffusion plate 400, a light guide plate 200, a light source assembly 310, light guide paper 500, a filling pad 600, a back plate 700, a driving assembly (not shown), a power supply assembly 800, and other components assembled together, in an actual use process, light emitted from a light emitting surface of the light source 312 enters the light guide plate 200 from a side surface of the light guide plate 200, the light guide paper 500 is attached to an upper surface of the light guide plate 200, and light entering the light guide plate 200 is continuously reflected by the light guide paper 500 and scattered by the diffusion plate 400, so as to form a surface light source 312 that emits light uniformly, and thus the panel light 10 has a uniform and soft light emitting effect.

Referring to fig. 3 and 4, in the present embodiment, the supporting section 322e and the clamping section 322b are both parallel to the plate surface of the light guide plate 200 on the corresponding side, and the two opposite clamping sections 322b are elastically abutted to the upper plate surface and the lower plate surface of the light guide plate 200, respectively. Of course, when the light guide paper 500 is attached to the upper surface of the light guide plate 200, the holding section 322b elastically abuts against the light guide paper 500. It can be understood that the clamping force of the clamping portion of the fixing member 320 is more uniform, and the fixing member 320 can be effectively prevented from being damaged to the light guide plate 200 when being clamped into the side edge of the light guide plate 200 and in the clamping process.

However, the design is not limited thereto, and in another embodiment as shown in fig. 5, a rib 322c may be protruded on the opposite inner side surfaces of the two opposite clamping sections 322b, and the rib 322c elastically abuts against the plate surface of the light guide plate 200. In this way, the clamping action of the clamping portion can also be achieved. Of course, in other embodiments, the cross section of the clamping section 322b may also be designed as a circular-arc wave shape, and the like, which is not limited herein.

Further, in the present embodiment, the side plate 322 further includes a guiding section 322d, and the guiding section 322d is formed by extending from the free end of the clamping section 322b in a direction toward the bottom plate 321. In other words, the guide section 322d disposed at the free end of the clamping section 322b is not in contact with the light guide plate 200, so that when the fixing member 320 is clamped into the side of the light guide plate 200, the free end of the clamping section 322b is not easy to damage the surface of the light guide plate 200, and the fixing member 320 can be more conveniently assembled and disassembled.

Further, as shown in fig. 3 and 4, in the present embodiment, the extension length of the clamping section 322b on the light guide plate 200 ranges from 2mm to 3 mm. It can be understood that, if the length of the clamping section 322b is too small, the clamping light source fixing structure 300 of the clamping portion is easy to fall off from the side of the light guide plate 200, and further affects the light emitting effect of the panel light 10, and when the length of the clamping section 322b is too long, a certain adverse effect is generated on the light guide effect of the area of the light guide plate 200 adjacent to the side, so that the clamping section 322b can be balanced when the extension length range on the light guide plate 200 is 2mm-3mm, thereby being beneficial to improving the light emitting effect of the panel light 10.

Here, the side plate 322 is preferably formed integrally with the bottom plate 321. For example, the fixing member 320 may be integrally formed by stamping a sheet metal member or integrally formed by injection molding a plastic material. In the present embodiment, the fixing member 320 is preferably made of a metal material in view of material strength and heat dissipation.

Further, referring to fig. 3 and 4, in the present embodiment, the cross section of the bending section 322a is arc-shaped, and the connection between the bending section 322a and the supporting section 322e and the clamping section 322b are arc-shaped transition. The arrangement can make the bending connection of the side plate 322 not easy to form stress concentration, and the whole fixing member 320, especially the side plate 322, is not easy to deform or even break, so that the light source fixing structure 300 can be better clamped on the light guide plate 200.

Referring to fig. 4, in the present embodiment, the thickness of the light guide plate 200 is a, the width of the light emitting surface of the light source 312 in the thickness direction of the light guide plate 200 is B, and the ratio range of a to B is preferably 1 to 1.5, so that, within the preferred ratio range, the thickness of the light guide plate 200 can be reduced, and the light emitted from the light source 312 can enter the light guide plate 200 as much as possible, thereby achieving the balance between the cost reduction and the light emitting effect.

Further, referring to fig. 3 and 4, in the present embodiment, an elastic member 330 is disposed on an outer side surface of the bottom plate 321 facing away from the light guide plate 200, the elastic member 330 is mainly used for buffering a pressure of the light source 312 when the light guide plate 200 expands by utilizing an elastic deformation performance of the elastic member 330, wherein the elastic member 330 may be, but not limited to, a heat conductive foam layer, a U-shaped metal clip, a spring, and the like, and meanwhile, a plurality of supporting members 340 are disposed on the substrate 311 in a protruding manner, generally, the supporting members 340 protrude toward the light guide plate 200 to a greater extent than the light source 312, and when the light guide plate 200 expands, the supporting members 340 first abut against the supporting members 340, thereby protecting the light source 312 and preventing the light source 312 from being damaged.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the present invention.

Claims (10)

1. A light source fixing structure for a panel lamp having a bezel and a light guide plate installed in the bezel, the light source fixing structure comprising:

the light source assembly comprises a substrate and a plurality of light sources fixedly arranged on the substrate; and the number of the first and second groups,

the fixing piece is arranged between one side edge of the light guide plate and the inner side face of the frame of the corresponding side, and comprises a bottom plate and two side plates which are respectively connected with two opposite edges of the bottom plate, each side plate comprises a supporting section, a bending section and a clamping section, the supporting section is formed by extending outwards from the edge of the bottom plate towards the other opposite side edge of the light guide plate, the clamping section is bent inwards for at least 180 degrees relative to the supporting section, and two ends of the bending section are respectively connected with the supporting section and the clamping section; the two opposite clamping sections form a clamping part facing the opening of the light guide plate, and the clamping part is clamped at the edge of the side edge of the light guide plate; the light source assembly is arranged in an installation cavity formed by enclosing the bottom plate and the two side plates, and the light emitting surface of the light source is right opposite to the side surface of the light guide plate.

2. The light source fixing structure according to claim 1, wherein the supporting section and the holding section are parallel to the plate surface of the light guide plate on the corresponding sides, and the two opposite holding sections are elastically abutted against the upper plate surface and the lower plate surface of the light guide plate, respectively.

3. The light source fixing structure according to claim 2, wherein the side plate further comprises a guide section formed to extend obliquely outward from a free end of the holding section toward the bottom plate.

4. The light source fixing structure according to claim 3, wherein the extension length of the clamping section on the light guide plate is in a range of 2mm to 3 mm.

5. The light source fixing structure according to claim 1, wherein the side plate is integrally formed with the bottom plate.

6. The light source fixing structure according to claim 5, wherein the bending section has a circular arc-shaped cross section, and the connection portions between the bending section and the supporting section and the clamping section are circular arc transitions.

7. The light source fixing structure according to claim 1, wherein the opposite inner side surfaces of the two opposite clamping sections are convexly provided with ribs, and the ribs are elastically abutted against the plate surface of the light guide plate.

8. The light source fixing structure according to any one of claims 1 to 7, wherein the light guide plate has a thickness A, the light exit surface of the light source has a width B in the thickness direction of the light guide plate, and the ratio of A to B is in a range of 1 to 1.5.

9. The light source fixing structure according to any one of claims 1 to 7, wherein an outer side of the bottom plate facing away from the light guide plate is provided with an elastic member, and the base plate is provided with a plurality of supporting members protruding therefrom.

10. A panel lamp comprising the light source fixing structure according to any one of claims 1 to 9.

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