CN219222185U

CN219222185U - Borderless lighting assembly

Info

Publication number: CN219222185U
Application number: CN202223511179.6U
Authority: CN
Inventors: 谯胜杰; 张国宝
Original assignee: Suzhou Op Lighting Co Ltd; Opple Lighting Electrical Appliance Zhongshan Co Ltd
Current assignee: Suzhou Op Lighting Co Ltd; Opple Lighting Electrical Appliance Zhongshan Co Ltd
Priority date: 2022-12-28
Filing date: 2022-12-28
Publication date: 2023-06-20
Anticipated expiration: 2032-12-28

Abstract

The utility model provides a borderless lighting assembly, which comprises a bottom shell, a face mask assembled and fixed with the bottom shell, and a light guide plate accommodated in an accommodating space formed by the bottom shell and the face mask, wherein the borderless lighting assembly further comprises an LED lamp panel, a radiator and a shielding plate, the LED lamp panel and the radiator are both fixed at the same end of the bottom shell, the LED lamp panel is arranged close to the light guide plate, the radiator is attached to the LED lamp panel, and the shielding plate is connected with the face mask to cover the LED lamp panel and the radiator. Compared with the prior art, the borderless lighting assembly can shield the light emitted by the LED lamp panel, so that borderless sense is realized.

Description

Borderless lighting assembly

Technical Field

The utility model relates to a borderless lighting assembly, and belongs to the technical field of lighting.

Background

The bathroom heater is a small household appliance for bathroom which combines the functions of heating, infrared physiotherapy, bathroom ventilation, decoration and the like of a bathroom into a whole through the ingenious combination of a special waterproof infrared thermal wave tube and a ventilating fan.

The existing side light-emitting panel used on the bathroom heater is usually attached to the light guide plate by a diffusion plate, so that light leakage can occur at a low-beam position, and local excessive brightness is caused. In order to solve the problem of local excessive brightness caused by light leakage at the low beam source part, the prior art generally adopts a hemming mode, but such a mode can cause that the front light-emitting component cannot generate a borderless feeling.

In view of the above, there is a need for an improvement of the existing light-emitting panel for a bathroom heater to solve the above-mentioned problems.

Disclosure of Invention

The utility model aims to provide a borderless lighting assembly which can realize a luminous form without a border.

In order to achieve the above purpose, the utility model provides a borderless lighting assembly, which comprises a bottom shell, a mask assembled and fixed with the bottom shell, and a light guide plate accommodated in an accommodating space formed by the bottom shell and the mask, wherein the borderless lighting assembly further comprises an LED lamp panel, a radiator and a shielding plate, the LED lamp panel and the radiator are both fixed at the same end of the bottom shell, the LED lamp panel is arranged close to the light guide plate, the radiator is attached to the LED lamp panel, and the shielding plate is connected with the mask to cover the LED lamp panel and the radiator.

As a further improvement of the utility model, the LED lamp panel comprises a base plate and lamp beads fixed on the base plate, wherein the lamp beads are arranged towards the light guide plate so as to transmit light rays through the light guide plate; the radiator is attached to one side, away from the lamp beads, of the substrate.

As a further improvement of the utility model, a plurality of radiating grooves are arranged on one side of the radiator, which is away from the lamp beads.

As a further improvement of the utility model, one side of the radiator, which faces away from the lamp beads, is attached to the side of the bottom shell.

As a further improvement of the utility model, the bottom shell comprises a bottom plate and side plates perpendicular to the peripheral edges of the bottom plate, the side plates comprise a first long side plate and a second long side plate which are arranged oppositely, a first short side plate and a second short side plate which are arranged oppositely, the face mask is in buckling connection with the first long side plate, the second long side plate and the first short side plate, and the LED lamp panel and the radiator are arranged close to the second short side plate and parallel to the second short side plate.

As a further improvement of the utility model, a gap is left between one end of the radiator and the first long side plate, and a gap is left between the other end of the radiator and the second long side plate.

As a further improvement of the present utility model, in the extending direction of the first long side plate, a distance between the lamp bead and the outer wall surface of the face mask is 7-9mm.

As a further improvement of the utility model, the first long side plate, the second long side plate and the first short side plate are respectively provided with a buckling groove, the mask is correspondingly provided with buckling arms, and the buckling arms are buckled into the buckling grooves to connect the bottom shell and the mask in a buckling manner.

As a further improvement of the present utility model, a distance between an outer surface of the light guide plate on a side facing the face mask and an inner surface of the face mask is 3mm or more.

As a further improvement of the utility model, a reflective paper is attached to the side of the light guide plate facing the bottom shell.

The beneficial effects of the utility model are as follows: according to the borderless lighting assembly, the LED lamp panel and the radiator are fixed at the same end of the bottom shell, the LED lamp panel is arranged close to the light guide plate, the radiator is attached to the LED lamp panel, and meanwhile, the shielding plate is connected with the face mask to cover the LED lamp panel and the radiator, so that the shielding plate can shield light emitted by the LED lamp panel, and the lighting form of the borderless lighting assembly can realize borderless sense.

Drawings

Fig. 1 is a perspective view of a borderless lighting assembly of the present utility model.

Fig. 2 is an exploded view of fig. 1.

Fig. 3 is a perspective view of the bottom chassis of fig. 2.

Fig. 4 is an enlarged view of the circle in fig. 3.

Fig. 5 is a perspective view of the mask of fig. 2.

Fig. 6 is an enlarged view of the circle in fig. 5.

Fig. 7 is an exploded view of the LED lamp panel and heat sink of fig. 2.

Fig. 8 is another angular perspective view of the heat sink of fig. 7.

Fig. 9 is a cross-sectional view of the borderless lighting assembly of fig. 1.

Fig. 10 is a block diagram of the borderless lighting assembly of fig. 1 with the bottom shell and the shielding plate removed.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the present utility model will be described in detail with reference to the accompanying drawings and specific embodiments.

The utility model discloses a borderless lighting assembly 100, which is mainly used for bathroom heaters. Of course, such a borderless lighting assembly 100 may also be used with other light fixtures, without limitation.

As shown in fig. 1 and 2, the borderless lighting assembly 100 includes a bottom shell 10, a cover 20 assembled and fixed with the bottom shell 10, and a light guide plate 30 and a reflective paper 40 accommodated in an accommodating space 11 surrounded by the bottom shell 10 and the cover 20, wherein the cover 20 is in snap connection with the bottom shell 10, and the reflective paper 40 is attached to a side of the light guide plate 30 facing the bottom shell 10. That is, one side of the reflective paper 40 is attached to the bottom case 10, and the other side is attached to the light guide plate 30.

As shown in fig. 3 to 6, the bottom case 10 includes a bottom plate 12 and side plates 13 perpendicular to the peripheral edges of the bottom plate 12, the bottom plate 12 is disposed in a flat plate shape, and the side plates 13 include a first long side plate 131 and a second long side plate 132 disposed opposite to each other, and a first short side plate 133 and a second short side plate 134 disposed opposite to each other. The mask 20 is in snap connection with the first long side plate 131, the second long side plate 132, and the first short side plate 133. Specifically, the first long side plate 131, the second long side plate 132, and the first short side plate 133 are respectively provided with a fastening groove 135, the mask 20 is correspondingly provided with a fastening arm 21, and the fastening arm 21 is fastened into the fastening groove 135 to fasten the bottom shell 10 and the mask 20.

In order to ensure the fastening stability between the bottom shell 10 and the face mask 20, the first long side plate 131, the second long side plate 132 and the first short side plate 133 are further provided with a step-shaped boss 136 in a protruding manner, and the fastening slot 135 is disposed on one side of the boss 136 away from the bottom plate 12 and shares a plane with the boss 136, so that when the fastening arm 21 is fastened into the fastening slot 135, the fastening arm 21 and the boss 136 can be mutually abutted to ensure that the fastening arm 21 is not easily separated from the fastening slot 135, so that the connection stability between the bottom shell 10 and the face mask 20 is better.

In this embodiment, the fastening groove 135 is a groove formed by recessing the inner wall surfaces of the first long side plate 131, the second long side plate 132, and the first short side plate 133 outwards, and the groove is preferably a blind groove to ensure the attractive appearance of the bottom case 10; the latch arms 21 are elastic arms. The latch groove 135 and the latch arm 21 are provided with a plurality of latch arms.

The side of the face mask 20 facing the bottom shell 10 is correspondingly provided with a clamping plate 22 for being matched with the boss 136. The fastening arm 21 is disposed on the fastening plate 22, so that after the fastening arm 21 is fastened into the fastening groove 135, the fastening arm 21 and the fastening plate 22 are abutted against the boss 136, so as to ensure stable connection between the bottom shell 10 and the face cover 20.

As shown in fig. 9, the distance a between the outer surface of the light guide plate 30 facing the side of the mask 20 and the inner surface of the mask 20 is 3mm or more, and thus, the distance between the light guide plate 30 and the mask 20 is increased, and the problem of local excessive brightness is avoided. After the mask 20 and the bottom case 10 are assembled, the fastening arms 21 further support against the light guide plate 30, so as to prevent the light guide plate 30 from shaking randomly in the bottom case 10.

As shown in fig. 7, 8 and 10 in combination with fig. 2, the borderless lighting assembly 100 further includes an LED lamp panel 50, a heat sink 60 and a shielding plate 70, wherein the LED lamp panel 50 and the heat sink 60 are both fixed at the same end of the bottom shell 10, the LED lamp panel 50 is disposed near the light guide plate 30, and the heat sink 60 is attached to the LED lamp panel 50 and is used for balancing heat of the LED lamp panel 50. The shielding plate 70 is connected to the mask 20 to cover the LED lamp panel 50 and the heat sink 60.

The LED lamp panel 50 and the heat sink 60 are both disposed adjacent to the second short side plate 134 and parallel to the second short side plate 134. The LED lamp panel 50 includes a substrate 51 and lamp beads 52 fixed on the substrate 51, and the lamp beads 52 are disposed toward the light guide plate 30 to transmit light through the light guide plate 30. The heat sink 60 is attached to the side of the substrate 51 facing away from the lamp bead 52, and the side of the heat sink 60 facing away from the lamp bead 52 is attached to the side of the bottom shell 10.

In order to increase the heat dissipation effect of the heat sink 60, in this embodiment, a plurality of heat dissipation grooves 61 are further formed on a side of the heat sink 60 facing away from the lamp beads 52, so as to increase the heat dissipation area. Preferably, the inner wall surfaces of the plurality of heat dissipation grooves 61 are all arranged in an arc shape.

In order to further increase the heat dissipation effect, the present embodiment further leaves a gap between one end of the heat sink 60 and the first long side plate 131, and a gap between the other end and the second long side plate 132, so as to further increase the heat dissipation area.

In the extending direction of the first long side plate 131, the distance B between the lamp bead 52 and the outer wall surface of the mask 20 is 7-9mm, so as to prevent the light emitting surface of the lamp bead 52 from being too close to the edge of the mask 20 and causing local excessive lighting; preferably, the distance B is 8mm. The shielding plate 70 covers the LED lamp panel 50, the heat sink 60 and a part of the light guide plate 30, and the shielding plate 70 is made of a light-proof material, so that not only can the shielding effect be achieved, but also the appearance of the borderless lighting assembly 100 can be more attractive.

In summary, according to the borderless lighting assembly 100 of the present utility model, the LED lamp panel 50 and the heat sink 60 are fixed at the same end of the bottom shell 10, and the LED lamp panel 50 is disposed close to the light guide plate 30, the heat sink 60 is attached to the LED lamp panel 50, and meanwhile, the shielding plate 70 is connected with the mask 20 to cover the LED lamp panel 50 and the heat sink 60, so that the shielding plate 70 can shield the light emitted by the LED lamp panel 50, and the light-emitting form of the borderless lighting assembly 100 of the present utility model can realize a borderless sense.

The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. The utility model provides a borderless lighting assembly, includes drain pan (10), with drain pan (10) equipment fixed face guard (20) and accept light guide plate (30) in by drain pan (10) and face guard (20) enclose in accommodating space (11) that forms, its characterized in that: the borderless lighting assembly (100) further comprises an LED lamp panel (50), a radiator (60) and a shielding plate (70), wherein the LED lamp panel (50) and the radiator (60) are both fixed at the same end of the bottom shell (10), the LED lamp panel (50) is close to the light guide plate (30), the radiator (60) is attached to the LED lamp panel (50), the shielding plate (70) is connected with the mask (20) so as to cover the LED lamp panel (50) and the radiator (60).

2. The rimless lighting assembly of claim 1, wherein: the LED lamp panel (50) comprises a substrate (51) and lamp beads (52) fixed on the substrate (51), and the lamp beads (52) are arranged towards the light guide plate (30) so as to transmit light rays through the light guide plate (30); the radiator (60) is attached to one side of the base plate (51) away from the lamp beads (52).

3. The rimless lighting assembly of claim 2, wherein: a plurality of radiating grooves (61) are formed in one side, away from the lamp beads (52), of the radiator (60).

4. The rimless lighting assembly of claim 2, wherein: one side of the radiator (60) which is far away from the lamp beads (52) is attached to the side edge of the bottom shell (10).

5. The rimless lighting assembly of claim 2, wherein: the bottom shell (10) comprises a bottom plate (12) and side plates (13) perpendicular to the periphery of the bottom plate (12), wherein the side plates (13) comprise a first long side plate (131) and a second long side plate (132) which are oppositely arranged, and a first short side plate (133) and a second short side plate (134) which are oppositely arranged, the face mask (20) is in buckling connection with the first long side plate (131), the second long side plate (132) and the first short side plate (133), and the LED lamp panel (50) and the radiator (60) are close to the second short side plate (134) and are parallel to the second short side plate (134).

6. The rimless lighting assembly of claim 5, wherein: a gap is reserved between one end of the radiator (60) and the first long side plate (131), and a gap is reserved between the other end of the radiator and the second long side plate (132).

7. The rimless lighting assembly of claim 5, wherein: in the extending direction of the first long side plate (131), the distance between the lamp beads (52) and the outer wall surface of the face mask (20) is 7-9mm.

8. The rimless lighting assembly of claim 5, wherein: the novel mask is characterized in that the first long side plate (131), the second long side plate (132) and the first short side plate (133) are respectively provided with a clamping groove (135), the mask (20) is correspondingly provided with a clamping arm (21), and the clamping arm (21) is clamped into the clamping grooves (135) so as to be connected with the bottom shell (10) and the mask (20) in a clamping manner.

9. The rimless lighting assembly of claim 1, wherein: the distance between the outer surface of the side of the light guide plate (30) facing the face mask (20) and the inner surface of the face mask (20) is more than or equal to 3mm.

10. The rimless lighting assembly of claim 1, wherein: a reflective paper (40) is also attached to the side, facing the bottom shell (10), of the light guide plate (30).